48+ HSEB Entrance Exam Questions From Physics

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Entrance ExamEntrance Exam | HSEB
48+ Questions Collection for Entrance Exam
Subject: Physics | For: Science Faculty
For: SLC Students

These are important possible Questions asked in the Entrance Examination Held in renowned colleges like St. Xaviers, Budhanilkantha, SOS, Himalayan White House and Many more …

1. Total internal reflection can occur when lights passes from:
(a) a denser to rarer medium
(b) a rarer to denser medium
(c) one medium to another of equal refractive index
(d) medium to another of equal absorption coefficient

2. Sound energy is converted into electrical energy in a:
(a) loud speaker (b) microphone (c) sonometer (d) earphone

3. The numerical value of average velocity to average speed is:
(a) always less than one (b) always greater than one (c) always equal to one (d) equal or less than one

4. Newton’s first law of motion gives the concept of:
(a) energy (b) work (c) inertia (d) momentum

5. The mass of a particle at the centre of the earth is:
(a) zero (b) slightly more than at the poles (c) infinite (d) same as at the poles

6. The rear view mirror in a car is:
(a) plane mirror (b) concave mirror (c) convex mirror (d) None

7. A convex mirror gives an image which is:
(a) real and inverted (b) virtual and inverted (c) virtual and erected (d) virtual and magnified

8. A boat full of scrap iron is floating on water in a lake. If all the iron is dropped into water the water level will:
(a) go up (b) remain the same (c) rise very high (d) fall down

9. The velocity of electromagnetic wave is:
(a) 2 ×108m/s (b) 3 ×1011cm/s (c) 332m/s (d) 3 ×108m/s

10. An object is projected upwards with a velocity of 100 m/s. It will strike the ground in about:
(a) 5s (b) 10s (c) 20s (d) 15s

11. An iron ball and a wooden ball of the same radius are released from the same height h in vacuum. The time taken by both of them to reach the ground are:
(a) roughly equal (b) zero (c) exactly equal (d) unequal

12. When the resultant force on a body is not zero it produces:
(a) linear acceleration (b) angular acceleration (c) constant velocity (d) inertia

13. The most characteristic property of a liquid is:
(a) elasticity (b) fluidity (c) formlessness (d) volume conservation

14. The velocity of sound is largest in:
(a) air (b) water (c) steel rod (d) kerosene oil

15. A bulb is marked 110W-220V. The resistance of the filament is:
(a) 110 ohm (b) 220 ohm (c) 440 ohm (d) 2 ohm

16. A rocket works on the principle of:
(a) conservation of mass (b) conservation of energy (c) conservation of linear momentu (d) conservation of angular momentum

17. Of the following which is not a scalar quantity?
(a) time (b) momentum (c) volume (d) density

18. Pressure exerted by a liquid depends upon:
(a) density (b) surface tension (c) viscosity (d) buoyancy

19. Principle of transmission of pressure is stated by:
(a) Charle’s law (b) Newton’s law (c) Pascal’s law (d) Boyle’s law

20. Water reservoirs are made thicker at the bottom rather than at the top because:
(a) water is denser at the bottom
(b) pressure is greater at the bottom
(c) P.E. of water is greater at the bottom
(d) K.E. of water is greater at the bottom

21. Atmospheric pressure is measured by using:
(a) hydrometer (b) thermometer (c) calorimeter (d) barometer

22. A piece of ice is floating in jar containing water. When the ice melts then the level of water:
a)rises (b) rises (c) falls (d) remains unchanged

23. Which one of the following would a hydrogen balloon find easiest to lift?
(a) 1 kg of steel (b) 1 kg of lightly packed feather (c) 1 kg of water (d) all the same

24. A conical vessel of vertical height h filled with a liquid of density d rests on its base. If g is the acceleration due of gravity, the pressure at the point on the base is:
(a) 1/3 dgh (b) 1/2 dgh (d) 2/3 dgh (e) dgh

25. A wooden cube just floats inside the water when a 200 gm mass is placed on it. When the mass is removed the cube is 2 cm above the water level. The side of the cube is:
(a) 5 cm (b) 10 cm (c) 15 cm (d) 20 cm

26. The walls of the music concert halls:
(a) amplify sound (b) refract sound (c) produce reverberation (d) absorb sound

27. A body of volume 100 cc immersed completely in water contained in a jar. The weight of water and jar before immersion of the body was 700 gm. After immersion, the weight of water and jar will be:
(a) 500 gm (b) 700 gm (c) 100 gm (d) 800 gm

28. The internal energy of a gas molecule of an ideal gas depends on:
(a) pressure alone (b) volume alone (c) temperature alone (d) none

29. Sound when a tuning fork vibrates the waves produced in the fork are:
(a) longitudinal (b) transverse (c) progressive (d) stationary

30. Which one of the following characteristics of the sound is affected by the change in temperature?
(a) wavelength (b) amplitude (c) intensity (d) frequency

31. A man is standing between the two cliffs. On clapping his hands a series of echoes are heard at the intervals of 1.5 sec. If the speed of sound is 350 m/s the distance between two cliffs is:
(a) 175 m (b) 350 m (c) 525 m (d) 700 m

32. The distinction between the voice of a man and that of woman is possible because of difference between:
(a) loudness of two sounds (b) intensity of two sounds (c) pitch of two sounds (d) quality of two sounds

33. The speed of sound in air is 350 m/s. The frequency of the tuning fork that produces sound wave of wavelength 7×10-3 m in air is:
(a) 4000 Hz (b) 4200 Hz (c) 4500 Hz (d) 50000 Hz

34. The factor that helps to recognize a person by his voice is:
(a) loudness (b) pitch (c) intensity (d) quality

35. Decibel is the unit of:
(a) light intensity (b) sound intensity (c) heat intensity (d) none of above

36. What causes reverberation?
(a) reflection (b) refraction (c) interference (d) absorption

37. In an empty hall, we hear sounds louder than in a hall packed with people. It is because of:
(a) less absorption of sound (b) doppler effect (c) refraction of sound (d) change in speed of sound

38. The weightlessness is experienced while orbiting the earth in a spaceship is the result of:
(a) centripetal acceleration (b) zero acceleration due to gravity (c) inertia (d) none

39. The escape velocity of a projectile from the earth is approximately:
(a) 7 km/s (b) 11.2 km/s (d) 1.1 km/s (e) 11.2 m/s

40. An object is projected upwards with a velocity of 100 m/s. It will strike the ground in about:
(a) 5s (b) 10s (c) 20s (d) 15s

41. A stone dropped from a bridge reaches the bottom in 4s. The height of the bridge is:
(a) 78.4 m (b) 64 ft (c) 2000 cm (d) 260 m

42. A ball drawn vertically upwards with an initial velocity of 19.6 m/s returns in 4s. The maximum height attained by the ball is:
(a) 19.6m (b) 26.7m (c) 9.8m (d) none

43. Ball pen functions on the principle of:
(a) viscosity (b) Boyle’s law (c) gravitational force (c) surface tension

44.Sound waves in air are:
(a) transverse wave (b) longitudinal wave (b) may be both types (c) none

45. Which is used in measurement of high temperature:
(a) mercury thermometer (b) platinum resistance thermometer (c) thermo electric pyrometers (d) none

46. The thermal capacity of 40gm of aluminum of specific heat 0.2 cal/gm0C is:
(a) 0.4 cal/oC (b) 160 cal/oC (c) 8 cal/oC (d) 4000 cal/oC

47. Mercury thermometer can be used to measure temperature up to:
(a) 360 oC (b) 500 oC (c) 212 oC (c) 100 oC

48. When 20 gm of water is heated from 10 oC to 15 oC , the required energy in joule is:
(a) 420 (b) 22 (c) 44 (d) 1000

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