1000+ General Physics MCQ for NEET [Solved]

1. At what temperature do the Fahrenheit and Kelvin scales give the same reading?
A. 212°
B. 32°
C. -40°
D. 0°
Answer : D

2. Which of the following is known as freon?
A. Liquid ammonia
B. Carbon tetrafluoride
C. Dichloro-difluoro-methane
D. Sulphur dioxide
Answer : C

3. The rocket engine is motivated by jet propulsion which uses the famous
A. Kepler's Laws
B. Newtonian Third Law of Motion
C. Bernoulli's Principle
D. Law of Relativity
Answer : B

4. The body of an electrical appliance is earthed in order that
A. electricity may not leak
B. there may be smooth flow of electricity
C. a short circuit may be prevented
D. current may pass to the earth in case of a short circuit without doing any harm to the person
Answer : D

5. If the speed of the rotation of the earth increases the weight of a body
A. will increase
B. will decrease
C. will have no change
D. will either increase or decrease
Answer : B

6. Who first established the fact that the earth revolves round the sun?
A. Sir Isaac Newton
B. Kepler
C. Copernicus
D. Ptolemy
Answer : C

7. Resistance is measured in
A. Volts
B. Amperes
C. ohms
D. coulombs
Answer : C

8. In a vacuum the following three articles are dropped at the same time and from the lame height. Which will reach the ground quicker?
A. a stone
B. a piece of wood
C. a feather
D. all will reach the ground at the same time
Answer : D

9. The source of electric energy in an artificial satellite is
A. mininuclear reactor
B. a dynamo
C. a thermopile
D. solar cells
Answer : D

10. The colour or an opaque object is due to the colour it
A. absorbs
B. refracts
C. reflects
D. scatters
Answer : C

11. In a freezer ice cubes will be formed more quickly in trays made of
A. rubber
B. plastic
C. aluminium
D. wood
Answer : C

12. The planet that moves fastest around the sun is
A. Mars
B. Venus
C. Earth
D. Mercury
Answer : D

13. Gamma radiations are used for
A. sterilising food stuff
B. controlling pests
C. cancer therapy
D. All of these
Answer : D

14. A temperature below absolute zero for an ideal gas
A. cannot be attained experimentally
B. can be attained
C. is impossible
D. Does not exist at all
Answer : C

15. A thermostat is a device used
A. for automatically maintaining a steady temperature
B. for measuring electricity
C. to reduce the voltage of electricity
D. for producing heat
Answer : A

16. The hydraulic jack to lift heavy vehicles in automobile service stations is one of the applications of
A. Pascal's law
B. Principle of Archimedes
C. Boyle's law
D. Hooke's law
Answer : A

17. Powder clings to the skin because of
A. cohesion
B. adhesion
C. capillary action
D. absorption
Answer : B

18. Velocity of sound in high altitudes is low because at such a height
A. the temperature is low
B. there is no air
C. the pressure is low
D. All the above
Answer : A

19. A stationary elevated object has
A. kinetic energy
B. potential energy
C. momentum
D. both potential and kinetic energy
Answer : B

20. Gamma radiations are used for
A. sterilising food stuff
B. controlling pests
C. cancer therapy
D. All of these
Answer : D

21. The electroplating of a metallic article
A. protects the article from atmospheric corrosion
B. gives it a more attractive appearance
C. Both (a) and (b) above
D. None of the above
Answer : C

22. How is it that Pluto is not always the farthest planet of the solar system?
A. Each planet becomes the farthest planet in its turn. Now it is the turn of Piuto
B. The Sun is now in the zodiac in which it is nearest to outer planets
C. The eccentricity of Piuto's orbit being substantial, this orbit cuts the orbit of Neptune
D. Piuto belongs to other solar system
Answer : C

23. When light passes from air to glass, its velocity in glass
A. increases
B. decreases
C. remains unchanged
D. first decreases then increases
Answer : B

24. A man weighing 50 kg floats on water in a lake. His apparent weight is
A. 50 kg
B. 45 kg
C. zero
D. 150 kg
Answer : C

25. In hot climatic conditions, the buildings are painted white because
A. white paint is economical
B. it does not fade off
C. it does not crack with higher temperature
D. white coating is a bad conductor of heat and reflects heat rays that fall on it, thus keeping the inside cool
Answer : D

26. Credit for starting Space Science Research in India goes to
A. HJ Bhabha
B. SS Bhatnagar
C. V Sarabhai
D. CV Raman
Answer : C

27. A proton is
A. the ionised hydrogen molecule
B. the nucleus of helium atom
C. the nucleus of hydrogen atom
D. the positive counterpart of electron
Answer : C

28. To concentrate light on the defective teeth, the dentists use
A. convex mirrors
B. concave mirrors
C. convex lens
D. concave lens
Answer : B

29. Ultrasonic waves are used
A. in medical and surgical diagnosis
B. in testing the quality of the linings and pads used in vehicles and aircraft brakes
C. to clean surgical instruments, jewellery and similar articles
D. All the above
Answer : D

30. The image of an object formed in a plane mirror
A. is real
B. is virtual
C. can be obtained on a screen
D. is slightly bigger than the object
Answer : B

31. When a whistling engine approaches a person standing on the platform, the frequency or the note
A. appears to increase
B. appears to decrease
C. does not change at all
D. first increases then decreases
Answer : A

32. The device that is used to measure the electromotive force of a cell is
A. an ammeter
B. a rheostat
C. a voltmeter
D. a voltameter
Answer : C

33. Which of the following sets of elementary particles have nearly equal masses?
A. Neutron and Proton
B. Electron and Proton
C. Neutron and Electron
D. Proton, Neutron and Electron
Answer : A

34. When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs in the loudness of tone. This phenomenon Is known as
A. doppler effect
B. beats
C. resonance
D. echo
Answer : B

35. In hot climatic conditions, the buildings are painted white because
A. white paint is economical
B. it does not fade off
C. it does not crack with higher temperature
D. white coating is a bad conductor of heat and reflects heat rays that fall on it, thus keeping the inside cool
Answer : D

36. Meteors
A. look like falling stars
B. are really pieces of rock or metal
C. burn up as they shoot through the air
D. All the above
Answer : D

37. The period of oscillation of a simple pendulum depends upon
A. the mass of its bob
B. the material of the bob
C. the amplitude of vibration
D. acceleration due to the gravity at the site of experiment
Answer : D

38. The radius of curvature of a spherical mirror is
A. equal to half its focal length
B. equal to its focal length
C. twice its focal length
D. not related to its focal length
Answer : C

39. In a refrigerator cooling is produced by
A. the ice that deposits on the freezer
B. the evaporation of a volatile liquid
C. None of the above
D. Both (a) and (b)
Answer : B

40. The Space Application Centre for training in Satellite Communication Technology is located at
A. Bangalore
B. Mumbai
C. Ahmedabad
D. New Delhi
Answer : C

41. Pieces of camphor placed on water move about rapidly. This is because of
A. diffusion
B. viscosity
C. surface tension
D. capillarity
Answer : C

42. A stationary elevated object has
A. kinetic energy
B. potential energy
C. momentum
D. both potential and kinetic energy
Answer : B

43. Echoes are produced by
A. the reflection of sound waves
B. the refraction of sound waves
C. the interference of sound waves
D. reverberation of sound waves
Answer : A

44. Which is the densest planet of the solar system?
A. Sun
B. Jupiter
C. Mercury
D. Earth
Answer : D

45. Air pressure is usually highest when the air is
A. warm and moist
B. cool and dry
C. warm and dry
D. cool and moist
Answer : D

46. A bullet is fired at a certain angle with the horizontal. Its path will be
A. elliptical
B. a straight line
C. a parabola
D. a vertical line
Answer : C

47. The period of a geostatinary (synchronous) satellite orbiting the earth over the equator la
A. 16 hours
B. 12 hours
C. 20 hours
D. 24 hours
Answer : D

48. The red colour of the setting sun is due to
A. the least scattered red colour reaching the eye
B. the dispersion of sun light occurred in air molecule in atmosphere
C. the diffraction of sunrays in atmospheric layers
D. interference of all the rays coming from the sun
Answer : A

49. The hygrometer is an apparatus used for finding the
A. temperature of air
B. intensity of light
C. density of a liquid
D. relative humidity of the atmosphere
Answer : D

50. The pressure of air at high altitude is less than the atmospheric pressure at the sea level. Hence the boning point of water at a hill top
A. is more than at sea level
B. is equal to that sea level
C. is less than at sea level
D. depends on the surrounding temperature
Answer : C