48+ Questions Collection for Entrance Exam
Subject: Physics | For: Science FacultyFor: SLC Appeared 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
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
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