Name of the Organisation : Department of Post University Education, Karnataka
Exam : II PUC Physics Exam
Subject : Physics
Document Type : Model Question Paper
Website : https://pue.karnataka.gov.in
Karnataka II PUC Physics Model Question Paper
Department of Post University Education, Karnataka Physics Model Question Paper II PUC for the year 2021-22.
Related / Similar Question Paper : Karnataka II PUC Chemistry Model Question Paper 2021-22
Karnataka II PUC Physics Questions
PART- A
I. Answer any TEN of the following questions:
1. Write the physical quantity, whose SI unit is ‘coulomb’.
2. Define linear charge density.
3. How does resistivity of the nichrome vary with absolute temperature?
4. The coloured rings marked on a carbon resistor are Red, Red, Red and Silver. What is the tolerance of this resistor?
5. What is Lorentz force?
6. State Gauss’s law in magnetism.
7. Draw the pattern of magnetic field lines for a bar magnet.
8. What is wattless current?
9. Mention the angle between electric field and magnetic field in an electromagnetic wave.
10. Name the electromagnetic wave which keeps the Earth warm by greenhouse effect.
11. Write the condition for diffraction maxima in terms of wavelength of light and slit width.
12. How does the resolving power of a telescope change on decreasing the aperture of its objective lens?
13. Define impact parameter in -particle scattering experiment.
14. In which type of extrinsic semiconductor, holes are minority charge carriers?
15. Draw the circuit symbol for p-n junction diode.
PART- B
II. Answer any FIVE of the following questions:
16. Write any two differences between polar and non-polar molecules.
17. State Ohm’s law and write its one limitation.
18. Define magnetic declination and inclination of the Earth.
19. Draw a typical hysteresis loop for a ferromagnetic material. Mark coercive fields in it.
20. What is displacement current? Write its expression.
21. Write the two conditions for total internal reflection to occur.
22. Write any two uses of polaroids.
23. Find the potential difference through which an electron be accelerated so that its de Broglie wavelength becomes 0.1227 nm.
24. Write any two limitations of Bohr’s atomic model. DPUE/IIPUC/PHYSICS (33)/2021-22 Page 3
25. In the following circuit, if and , what is the value of Y? Name the equivalent logic gate that this circuit represents
PART- C
III. Answer any FIVE of the following questions:
26. Obtain the relation between electric field and electric potential.
27. Two resistors of resistances and are connected in series. Derive the expression for its equivalent resistance.
28. Using Ampere’s circuital law, obtain the expression for magnetic field at a point due to a straight infinitely long, steady current carrying wire.
29. Write any three properties of diamagnetic substance.
30. Describe coil and magnet experiment to demonstrate the phenomenon of electromagnetic induction.
31. Mention any three sources of energy loss in an actual transformer.
32. Using Huygens principle, show that the angle of incidence is equal to angle of reflection.
33. Give de Broglie’s explanation of Bohr’s second postulate.
34. Write any three differences between nuclear fission and nuclear fusion.
35. Explain the Zener diode used as a voltage regulator.
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