Aakash, Worlds cheapest tablet computer, launched (Priced at Rs 1750 for students)

NEW DELHI: The world's cheapest tablet computer was launched in India on Wednesday with 500 school students becoming the first few recipients. Telecom and HRD minister Kapil Sibal launched the tablet – Aakash – priced at $35 (Rs 1,750) for students pursuing graduation and said that the government aimed to increase production to bring down the cost of the tablet to less than $10 (Rs 500). The government is sourcing the tablet from UK-based Datawind at Rs 2,256 – inclusive of all taxes, levies, freight and insurance charges, servicing and documentation.
The first lot of 100,000 tablets will be provided to states at Rs 1,750 per tablet. "Our ultimate aim is that in the coming years this tablet should cost less than $10. Datawind has said that if an order of one million units is placed the cost of the tablet (to the government) would be Rs 1,750 ($35), on which the government will offer a 50% subsidy (while giving it to students)," Sibal said.

         ~PAPPU JOBS~

The Woman as a Source of Inspiration

 It is one of the noblest and highest callings for a woman to inspire others. In this spiritual activity, woman makes use of
the highest feminine power, her intuition. The woman whose intuition is active and who is
neither troubled by personal emotions nor too involved in intellectual work may arise to the
luminous sphere of the superconscious from which she is able to perceive durable values and
essential truths. Sometimes, she is actually able to foretell the future by intuiting trends
which are preparing to become manifest in the visible world.
In ancient civilizations these superior sensibilities of woman were acknowledged,
appreciated and utilized. They were used by the priestesses of the Druids and by the
Sibyls. Authoritative and wise men like Numa Pompilius did not hesitate to avail themselves
of their wisdom. Later on, women were the inspirers of poets and artists. A fine
psychological study of the relationship between women and poets is found in the books by
Edouard Schuré, Femmes Inspiratrices et Poètes Annonciateurs and Prophètes de la
Renaissance. And surely Goethe was referring to this superior aspect of femininity when he
finished Faust with the words “Alles Vergängliches ist nur ein sin Gleichnis. Das Ewig-
Weibliche zieht uns hinan“. (Every transient thing is but a symbol, the eternal feminine
draws onward).
In the present world, we either neglect this spiritual function of woman or we try to exploit
the inferior aspects of her psychic sensibility out of curiosity and self-interest. It is
therefore hoped that either through the scientific study of parapsychological faculties or
through a spiritual awakening (of which there are clear signs even in the midst of the
world’s prevailing materialism) woman will recover consciousness of her superior psychospiritual
gifts, and that man will appreciate them and make use of them again for the sake
of their mutual spiritual growth.


So the biggest inspiration can be from sister,mother but never from a father.


                                       ~PAPPU JOBS~

Why women choose certain men

Why women choose certain men

When a man ‘checks-out’ a women he’s looking for certain signals that correspond with his hardwired brain to aim for survival and reproduction. One of these signals is the universal preference of curved hips and slim waists. The exact figure that men prefer is a hip-to-waist ratio of 1.7; this preference exists because the hip-to-waist ratio of 1.7 happens to be the safest for child birth.
Women also have similar preferences with men but they tend to be more personality wise rather than physical. Here’s the list –


Foundations
Health -

• Social Intuition
• Humour

Attributes -

• Status
• Wealth

Congruence -

• Pre-selected
• Challenging
• Confident

The first thing you’d notice with the foundations is they’re seemingly missing certain characteristics you probably thought were important, such as good looks. Even though good looks don’t make any appearance in the list they do aid to the modern courtship but only with a low percentage of 10~15%. If you obtain the foundations of the list you will never need to worry about good looks.
Understanding each of characteristics of the list will allow you to gain a massive advantage when interacting with females simply because this list is hardwired in a female’s brain which allows them to be undeniably attractive.

                                            ~PAPPU JOBS~

J&K Board Physics Model Paper(class 12th)

Maximum Marks: 70 
Time Allowed: 3 hrs
                                                 SECTION A
       Long Answer Type Questions:
Q.1. State the Theorem which relates the enclosed charge inside a closed surface with surface integral of Electric filed. Use this theorem to obtain the electric field due to an infinite plane sheet of charge.
OR
Show that capacity of a parallel plate capacitor depends upon the geometrical factors of capacitor. If the distance between the plates is increased how does it affect the capacitance and energy of the capacitor? (5 Marks)
Q.2. Two long straight parallel wires carry currents I1 and I2 in the same direction. Find an expression for the force per unit length between them. Depict the pattern of magnetic field lines. Use the expression to define S.I unit of current.
OR
Highly energetic positively charged particles are usually used to carry nuclear reactions. Give name, principle, construction and working of the machine used for the purpose. (5 Marks)
Q.3. If an a.c. of the form I=I0 sinώt is fed to an LCR series circuit so that emf leads the current by . Deduce an expression for average power consumed. Hence define power factor.
OR
Name the device which converts mechanical energy into alternating electrical energy. Give its principle, construction and theory with the help of diagram. (5 Marks)
Q.4. Derive lens markers formula in case of double convex lens. Write down the sign conventions and assumption used.
OR
With the help of a ray diagram, illustrate the formation of the final image of an object in the compound microscope. Derive the expression for magnifying power. How it can be increased? (5 Marks)
                           SECTION B
Short Answer Type Questions:
Q.5. A charge having magnitude Q is divided into two parts q and (Q-q). If the two parts exert a maximum force of repulsion on each other, then find the value of .
(3 Marks)
Q.6. Explain principle of potentiometer. How can a potentiometer be made more sensitive (3 Marks)
Q.7. The thermal velocity of the free electron in a metallic conductor varies from105 to 106m/s. Inspite of high velocity; free electrons fail to escape from the metallic surface. Explain why (3 Marks)
Q.8. Magnetic flux linked with a circuit is ø= (3t2+4t+5) Weber. Calculate the induced emf at t=3sec. Whether it is positive or negative. (3 Marks)
Q.9 State and explain Huygans Principle? (3 Marks)
Q.10. Derive de-Broglie wave equation for matter. Also derive it for an electron of mass ‘m’ and accelerated by a potential ‘V’ (3 Marks)
Q.11. what is radioactive decay law? Derive an expression for it in a mathematical form. (3 Marks)
Q.12. With the help of a circuit diagram, explain how Zener diode can be used as a voltage regulator. (3 Marks)
                               SECTION C
Very Short Answer Type Questions:
Q.13. What do mean by elements of earth’s magnetic field. Name them. (2 Marks)
Q.14. What Physical quantity same for x-rays of wavelength 10-10 m, red light of wave length 78000A and radio waves of wave length 500m in vacuum. (2 Marks)
Q.15. The angle of minimum deviation for a prism of is. Calculate the refractive index of the material of a prism. (2 Marks)
Q.16. Calculate the angular momentum of an electron in Bohr’s Hydrogen atom whose energy is -3.4ev. Find also the radius of that particular orbit? (2 Marks)
Q.17. Give the truth table and logic symbol of three –input NAND gate. (2 Marks)
Q.18. Write two factors justifying the need of modulating signal. (2 Marks)
Q.19. Sky wave propagation is not possible for waves having frequency more than 30 MHz. Give reasons in two points. (2 Marks)
Q.20. Why we are not able to see a clear and transparent glass sheet when immersed in clear water. (2 Marks)
                                SECTION D
Objective Type Questions:
Q.21. Find the equivalent t capacitance between A and B of the following circuit.
(1 Mark)
A
C
C
B
Q.22. The magnetic field at any point on the conductor carrying current is -----. (1 Mark)
Q.23. Write down the mirror formula for plane mirror. (1 Mark)
Q.24. What is the source of displacement current? (1 Marks)
Q.25. Do all the electrons emitted in photoelectric effect have the same kinetic energy?
If not, why? (1 Marks
Q.26. The longest wave length emitted in Lyman series is obtained when electron jumps from -------orbit to -------orbit. (1 Marks
Q.27. The current gain in common emitter transistor configuration is 15. Find the collector current if base current is 10μA. (1 Mark)
Q.28. Name the three important components of basic communication system. (1 Mark)
Q.29. If Young’s double slit experiment is performed in water instead of air, then the fringe width (1 Mark)
a)
Increases
b)
Decreases
c)
Remains same
d)
Information incomplete
Q.30. n-type extrinsic semi-conductor is (1 Mark)
a)
Negatively charge
b)
Positively charged
c)
Electrically neutral
d)
None of the above.




SOMETIMES MODEL PAPERS COME AS THE REAL ONES.

                                      ~PAPPU JOBS~

J&K Board Biology Model Paper(12th class)

Section A (Zoology)
Max. Marks: 35 Time 1 :30 hrs
Instruction:
                                        SECTION A
Long Answer Type Questions:
1.
Reproduction generally involves two parents. Does it occur uniparently. How? OR
Assisted reproductive techniques bring hope to infertile couples. Explain How.
5Marks
2.
Describe Darwins theory of Natural Selection.
OR
Sex is generally determined by chromosomes of an organism .Does environment also determines sex. Illustrate with examples. 5 Marks SECTION B
Short Answer Type Questions:
3.
What changes occur in the uterus of a human female if the ovum does not receive a sperm? 3 Marks
4.
What phenotypic symptoms are produced in an individual due to trisomy of 21st chromosome? 3 Marks
5.
Match the entries under section A with the choice given under B and C. 3Marks
A B C
a.
Blood and mucus with faeces abdominal pain W. bancrofti Anopheles
b.
Periodic fever followed by sweating, shivering E. histolytica worm
c.
Excessive swelling due to Plasmodium protozoa
blockade of lymph vessels feet and legs
6.
How Genetic engineering helps in producing pest resistant crops? 3 Marks
                                 SECTION C
Short Answer Type Questions:
7.
Draw a labeled sketch of human sperm? 2 Marks
8.
Mention two differences between analogous and homologous organs. 2 Marks
9.
Mention two applications of cloning. 2 Marks
10.
How does DNA fingerprinting helps in detecting a criminal. 2 Marks
SECTION D
Objective Type Questions:
11.
Explain ZIFT. 1 Mark
12.
Write the scientific name of Silk moth. 1 Mark
13.
Name the antibody present in Colostrum. 1 Mark
14.
Human genome is said to have approximately --------------base pairs. 1Mark
15.
Give one example of point mutation. 1 Mark
                                      Section B (Botany)
Max. Marks: 35 
Time 1:30 hrs
                                       SECTION A
Long Answer Type Questions:
1.
How does dominance differ from incomplete dominance? Illustrate with suitable example.
OR
Hershey and Chase conducted an experiment on T2 Phage using radioisotopes.
5 Marks
What were there observations and conclusions?
2.
Define an ecosystem. Write an account of energy flow in an ecosystem.
OR
Major pollutants of air are CO2, SO2 and NO2. What are their sources and harmful effects on human beings and plants? 5 Marks
                                 SECTION B
Short Answer Type Questions:
3.
Vegetative propagation does not lead to variations. Why? 3 Marks
4.
What are GM crops? Give two disadvantages of GM crops? 3Marks
5.
Biofertilizers are better than Chemical fertilizers. Justify? 3 Marks
6.
What is ecological succession? Distinguish between primary and secondary succession. 3 Marks SECTION C
Short Answer Type Questions:
7.
Why cross pollination cannot occur in cleistogamous flowers. 2 Marks
8.
What do you mean by degeneracy of genetic code? 2Marks
9.
How many phosphorus atoms are there in a DNA double helix having 10,000base pairs? 2 Marks
10.
An orchid plant grows on the branch of a mango tree. Give the interaction between the two. 2 Marks
                    SECTION D
Objective Type Questions:
11.
Define apomixis? 1 Marks
12.
How many cells are there in a typical angiospermic embryo sac? 1 Marks
13.
Define totepotency? 1Marks
14.
Which type of ecological interaction is represented in lichens? 1Marks
15.
What are schiophytes? 1Marks


SOMETIMES MODEL PAPERS COME AS THE REAL ONES

                            ~PAPPU JOBS~

J&K Board Chemistry Model Paper(12th class)

Max Marks: 70 
Time: 3Hrs
                                                   SECTION A
Long Answer Type Questions:
1.
What is solubility? Explain the effect of temperature and pressure on the solubility of gases in liquids.
OR
What is colligative property? How is the molecular mass of a solute calculated from elevation in boiling point? 1 gms of a non-electrolyte solute dissolved in 50g of benzene lowered the freezing point of benzene by 0.40 K. The Kb value of benzene 5.12 KKgmol-1. Find the molar mass of the solute. 5 marks
2.
Why molar conductivity of weak electrolytes cannot be calculated from extrapolation method? Explain how the molar conductivity of weak electrolytes is calculated from Kohlrauch’s law?
OR
Depict a galvanic cell in which the reaction is
Zn(s) + Cu2+(aq) Zn2+(aq) + Cu(s)
(i)
Which of the electrodes is negatively charged?
(ii)
What are the carriers of current in the cell?
(iii)
What is the individual reaction at each electrode?
(iv)
What are the functions of salt bridge? 5 marks
3.
Name the oxoacids of Phosphorus. Predict their basicity form their structure. Which of the two H3PO3 and H3PO4 is stronger?
OR
What are interhalogens? How are they produced? Give the structure of IF7. 5marks
4.
How will you distinguish between?
(i)
Ethanol and acetone
(ii)
acetaldehyde and benzaldehyde
(iii)
Tollen’s and Fehling’s test?
OR
Describe the following.
(i)
Cannizaro’s reaction
(ii)
Aldol condensation
(iii)
Cross Aldol condensation 5marks
                            SECTION B
Short Answer Type Questions:
5.
In a solid, there is defect due to missing of equal number of opposite ions from normal lattice site. 3 marks
(i) Which type of point defect is it?
(ii) What are the effects of this defect on the density and stability of such solids?
(iii) Name a solid which can have such defect.
6.
What is meant by reaction rate? Give symbolic expression and units for the reaction 3 marks
CO (g) + NO2 (g) CO2 (g) + NO(g)
7.
Write the hybridization and also draw the molecular structure of following.
3 marks
XeF2, XeF4, XeF6
8.
Briefly describe Freundlich adsorption isotherm. 3 marks
9.
How pure alumina is prepared form bauxite in Baeyer’s process? Give the reaction of each step. 3 marks
10.
Atomic radius of Cu is greater than Cr but ionic radius of Cr2+ is greater than Cu2+. Why? 3 marks
11.
How will you distinguish between 10, 20 and 30 alcohols by Victor Meyer’s method? 3 marks
12.
Amines are basic in nature. Justify. 3 marks
                                       SECTION C
Very Short Answer Type questions:
13.
Freons cause destruction of ozone layer. Explain. 2 marks
14.
Why CN- and SCN- are known as Ambidient ligands? What type of isomerism is caused by such ligands? 2 marks
15.
Give cyclisation of Glucose. 2 marks
16.
What are fat soluble and water soluble vitamins? 2 marks
17.
Explain SN2 mechanism in alkyl halides. 2 marks
18.
What happens to natural rubber when it is heated with sulphur? What is the process known as? 2 marks
19.
What are antibiotics and antipyretics? Give Example? 2 marks
20.
What is lanthanide contraction? How it is caused? 2 marks
                                  SECTION A
Very Short Answer Type Questions
21.
What is the effect of mechanical pressure on a piezoelectric crystal? 1 mark
22.
Give the units of zero order reaction. 1 mark
23.
What is CMC? 1 mark
24.
What is the coordination number of central metal atom in [Fe (C2O4)3]3- ?
1 mark
25.
RX + NaOR _____ + ________ 1 mark
26.
Give the reaction for converting acid chlorides to corresponding aldehydes. Name the reaction. 1 mark
27.
Name one biodegradable polymer. 1 mark
28.
The correct structure of drug paracetamol is 1 mark
(i)
HO COCH3
(ii)
HONHCOCH3
(iii)
HOCONH2
(iv)
ClCONH2
29.
A first order reaction is 75% complete after 32 minutes. When 50% of the reaction was complete? 1 mark
(i)
4 minutes
(ii)
8 minutes
(iii)
16 minutes
(iv)
32 minutes
30.
Which of the following is the most basic compound. 1 mark
(i)
Benzalamine
(ii)
Aniline
(iii)
Acidamide
(iv)
Para nitro aniline


SOMETIMES MODEL PAPERS COME AS THE REAL ONES

                                  ~PAPPU JOBS~