General Physics 1000+ MCQ with answer for CTET

1. The planet with the reddish tinge is
A. Jupiter
B. Mars
C. Mercury
D. Saturn
Answer : B

2. 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

3. Lightning conductors are made of
A. iron
B. chromium
C. copper
D. steel
Answer : C

4. In an oil lamp, holes are provided below the chimney so that
A. necessary oxygen for burning of oil may be provided
B. the convection current of air may be maintained to keep the lamp burning
C. the brightness of the lamp may be increased
D. All the above
Answer : D

5. Antiparticle of electron is
A. proton
B. antiproton
C. positron
D. neutron
Answer : C

6. Expansion of a rod when heated
A. is proportional to its original length
B. is proportional to the increase of temperature
C. is inversely proportional to its original length
D. Both (a) and (b) above
Answer : D

7. A lactometer la used to
A. find out the specific gravity of liquids
B. measure the volumes of liquids
C. test the purity of milk
D. determine the strength of acid in car batteries
Answer : C

8. When a bullet is fired from a gun
A. the gun moves forward
B. the gun jumps up
C. the gun does not move
D. the gun recoils with the same momentum as the bullet
Answer : D

9. 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

10. The acoustical quality of a room depends on
A. the size and shape of the room
B. the ability of the ceiling, walls and floor to exclude unwanted sound
C. the use of furnishings made of sound absorbing materials
D. All the above
Answer : D

11. When a satellite is In a geostationary orbit the force keeping it in orbit Is
A. zero
B. the centrifugal force
C. reaction due to steady burning of fuel
D. the gravitational pull on the body by the earth is the weight of the body which provides the centripetal force
Answer : D

12. The world's first artificial satellite Sputnik I was launched by Russia in
A. 1985
B. 1957
C. 1959
D. 1960
Answer : B

13. On applying a constant force to a mass, It moves with a uniform
A. velocity
B. momentum
C. acceleration
D. angular velocity
Answer : C

14. The speed of sound in a medium depends upon the properties of the medium such as
A. its density
B. its temperature
C. its elasticity
D. All the above
Answer : D

15. In a hydraulic pressure
A. force on each square centimetre of the small piston is less than the force on each square centimetre of the large piston
B. the distance the small piston moves is equal to the distance the large piston moves
C. applied pressure is equally transmitted throughout the liquid in all directions
D. force acting on small piston is equal to the force acting on large piston
Answer : C

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

17. The numerical reading of the Fahrenheit thermometer of a given temperature
A. is proportional to that of the Celsius thermometer
B. is always greater than that of the Celsius thermometer
C. is always less than that of the Celsius thermometer
D. may be greater than or less than or equal to that of the Celsius thermometer
Answer : D

18. The function of a moderator in a nuclear reactor is
A. to absorb unwanted neutrons
B. to slow down the fast neutrons to secure more effective hits on other nuclei
C. to decrease the number of fissile nuclei
D. to increase the number of fissile nuclei
Answer : B

19. Mercury is used in a barometer because
A. its density being very high 13.6 g/cm3 the height of mercury column is conveniently small
B. at the ordinary temperature its vapour pressure is small
C. it is opaque and does not wet glass
D. All the above
Answer : D

20. In a refrigerator, the refrigerant is
A. Nitrogen
B. Oxygen
C. Chlorine
D. Freon
Answer : D

21. The scientist who first sent electromagnetic waves to distant places was
A. James Clerk Maxwell
B. Heinrich Hertz
C. Thomas Alva Edison
D. Baird
Answer : C

22. The heating element often used in an electric iron is
A. copper
B. tungsten
C. mica
D. nichrome
Answer : D

23. When ice melts, Its volume
A. decreases
B. increases
C. remains the same until all the ice has melted and then increases
D. remains the same
Answer : A

24. A bolometer is used to measure
A. the quantity of heat energy in a body
B. thermal radiations quantitatively
C. high temperature
D. the intensity of sound
Answer : B

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

26. The velocity required to place a vehicle in orbit round the moon is _________ that required to place it in orbit round the earth.
A. less than
B. greater than
C. equal to
D. greater than or equal to
Answer : A

27. The maximum range of most TV signals is from 121 to 240 km only because
A. the curvature of earth limits the range of reception
B. the signals are weak
C. the signals are absorbed by air
D. the antennae are not powerful enough
Answer : A

28. An electric kettle used for boiling hard water has a white scale deposited on its heating element. This consists or
A. sugar
B. sodium carbonate
C. common salt
D. carbonates of calcium and magnesium
Answer : D

29. Solar radiation is preferred to other sources of energy because
A. it is practically inexhaustible
B. it is the cheapest form of energy
C. it does not cause pollution
D. All of the above
Answer : D

30. 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

31. The attraction of unlike molecules at the common surface is known as
A. adhesion
B. cohesion
C. surface tension
D. capillarity
Answer : A

32. The cover of a solar cooker is made of glass because
A. it absorbs sun's rays
B. it reflects sun's rays
C. it retains the heat inside by the greenhouse effect
D. it radiates heat better than metals
Answer : C

33. Dioptre is the unit of power of
A. convex mirrors
B. concave mirrors
C. concave lenses
D. lenses irrespective of types
Answer : D

34. When a swing is drawn to a side Its potential energy In relation to the earth
A. increases
B. decreases
C. remains the same
D. is constant
Answer : A

35. A ship sailing from a river to the sea
A. sinks less in the sea
B. sinks more in the sea
C. neither sinks more nor less in the sea
D. sinking more or less depends on sea
Answer : A

36. A rod of brass la held in hand and rubbed with fur. The rod is found to have
A. no charge
B. positive charge
C. negative charge
D. can't be said
Answer : A

37. Which of the following rays has the highest penetrative power?
A. a -rays
B. � -rays
C. ? -rays
D. X-rays
Answer : C

38. A piece of ice is Boating In water kept in a beaker. When all the ice melts the level of water will
A. first rise and then fall
B. fall
C. remain the same
D. rise
Answer : C

39. When a body is partly or wholly immersed in a liquid the apparent loss of weight is equal to the weight of the liquid displaced by the submerged portion. This is known as
A. Pascal's law
B. Bernoulli's law
C. Archimedes' law
D. Boyle's law
Answer : C

40. The brightest star visible to the naked eye is
A. Sirius
B. Vega
C. Rigel
D. Proxima Centauri
Answer : A

41. The temperature of a large bucket-full of hot water (a few degrees below boiling point) is lower than a beaker full of boiling water. But
A. the hot water contains a much larger quantity of internal energy than the boiling water
B. the boiling water contains more quantity of internal energy than the warm water
C. both of them have got the same amount of internal energy.
D. nothing can be said definitely with the data given
Answer : A

42. In a hydraulic pressure
A. force on each square centimetre of the small piston is less than the force on each square centimetre of the large piston
B. the distance the small piston moves is equal to the distance the large piston moves
C. applied pressure is equally transmitted throughout the liquid in all directions
D. force acting on small piston is equal to the force acting on large piston
Answer : C

43. A device used in a ship for the purpose of measuring the depth of the sea is
A. an altimeter
B. a fathometer
C. a hydrometer
D. a sonometer
Answer : B

44. The spectrum of white light can be studied by
A. a microscope
B. a telescope
C. a stereoscope
D. a spectroscope
Answer : D

45. The ozone layer absorbs
A. Cosmic rays
B. Infrared rays
C. All radiations of light
D. Ultra violet rays coming from the sun
Answer : D

46. An ammeter has
A. a high resistance
B. a very low resistance
C. no resistance at all
D. resistance of 400 � w
Answer : B

47. 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

48. When the resistance of a circuit increases the current will
A. increase
B. decrease
C. remain the same
D. None of the above
Answer : B

49. Photo-electric cells convert
A. electrical energy into light energy
B. light energy into electrical energy
C. light energy into heat energy
D. electrical energy into heat energy
Answer : B

50. 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