pue.kar.nic.in I PUC Physics Question Paper Model : Karnataka Pre-University Education

Board : Karnataka Department of Pre-University Education
Class : I PUC
Subject : Physics
Document Type : Model Question Paper
Website : pue.kar.nic.in

Download Model/Sample Question Papers:
Set1 : https://www.pdfquestion.in/uploads/7316-33_1Ip.pdf
Set2 : https://www.pdfquestion.in/uploads/7316-33_2Ip.pdf
Set3 : https://www.pdfquestion.in/uploads/7316-33_3Ip.pdf
Set4 : https://www.pdfquestion.in/uploads/7316-33_4Ip.pdf

 Pre-University Karnataka Physics Question Paper

Part – A

I. Answer the following 10 x 1 = 1:
1. Write the S I t of momentum.

Related / Similar Question Paper : PUE II PUC Physics Question Paper 

2. Is scalar multiplied by a vector, a vector or a scalar?
3. Write an expression for position vector of centre mass of system of two particles lie on x – axis
4. Mention the expression for work done by a force in vector form.
5. What is the height of the geostationary orbit form the surface of the earth?.
6. Among rubber and steel which one has more elasticity?
7. What is ideal gas?
8. Define angle of contact.
9. State the first law of thermodynamics.
10. Mention any one applications of beats.

Part – B

II. Answer any FIVE of the following questions. 5×2=10:
11. Mention any two basic forces in nature.
12. Mention two uses of dimensional analysis
13. Distinguish between distance (path length) and displacement.
14. What is centripetal acceleration? Give the expression for it.
15. Mention any two methods of reducing friction
16. Determine the volume contraction of the solid copper cube, 10cm on its edge, when subjected to hydraulic pressure of 7.0 x106Pa.( Given bulk modulus of copper =140×10 Nm-2).
17. What is specific heat capacity of a substance? Write the relation between specific heat capacities of gases.
18. On an average the human heart is found to beat 75 times in minute. Calculate its frequency.

Part – C

III. Answer any FIVE of the following questions. 5×3=15:
19. State and explain Law of triangle of vectors. When will be the resultant of two given vectors is maximum?
20. State Newton’s second law of motion and hence derive F = ma .
21. Prove work- energy theorem for a constant force
22. Derive an expressions orbital speed of the earth’s satellite.
23. state and explain Bernoulli’s theorem.
24. Write any three properties of heat radiation.
25. State the law of equipartition of energy. Write an expression for the energy associated with diatomic molecule.
26. Discus the modes of vibrations in closed path.

Part – D

IV. Answer any TWO of the following questions. 2×5=10
28. State and prove the law of conservation of linear momentum in case of collision of two bodies.
29. Derive the relation between torque and angular momentum of a particle.

V. Answer any TWO of the following questions. 2×5=10:
30. State and explain Kepler’s laws of planetary motion.
31. Write a note on kelvin scale of temperature.
32. Derive an expression for period of simple pendulum.

VI.Answer any THREE of the following questions. 3×5=15:
33. The ceiling of a long hall is 25 m high. What is the maximum horizontal distance that a ball thrown with a speed of 40 m s–1 can go without hitting the ceiling of the hall?
34. A pump on the ground floor of a building can pump up water to fill a tank of volume 30 m3 in 15 min. If the tank is 40 m above the ground, and the efficiency of the pump is 30%, how much electric power is consumed by the pump?
35. A 5 kg wheel is given an acceleration of 10 rad/sec2 by an applied torque of 2 N-m. Calculate its (a) moment of inertia and (b) radius of gyration.
36. A steam engine delivers 5.4x108J. of work per minute and serves 3.6x109J of heat per minute from its boiler. what is the efficiency of the engine? How much heat is wasted per minute.
37. A train standing at the outer signal of railway station blows a whistle of frequency 400Hz in still air. i) what is the frequency of the whistle for a platform observer when the train (a) approaches the platform with a speed of 10m/s. b) recedes from the platform with a speed of 10m/s? ii) what is the speed of the sound in each case. the speed of sound in still can be taken as 340m/s.