General Physics 1000+ MCQ with answer for RRB ALP

1. X-rays are
A. deflected by electric field
B. deflected by magnetic field
C. slightly deflected by electric field and magnetic field
D. not deflected by electric and magnetic fields
Answer : D

2. Mica is used in an electric iron because it is a
A. good conductor of heat
B. good conductor of electricity
C. bad conductor of electricity
D. Both (a) and (b) above
Answer : C

3. The ballistic missile, Agni 11, tested by India has a maximum range of
A. 1000 km
B. 1500 km
C. 2000 km
D. 500 km
Answer : C

4. The base of an electric iron is brightly polished mainly
A. to make it smooth and frictionless
B. to make it rust - proof
C. to reduce heat loss by radiation
D. to make it more durable
Answer : C

5. The Solar System lies near the edge of a galaxy known as
A. The Milky Way
B. Radio Galaxy
C. Andromeda Nebula
D. Magellanic Clouds
Answer : A

6. Acoustics is a property or
A. Physics
B. Chemistry
C. Biology
D. Economic
Answer : A

7. A series of east moving still pictures can be made to appear as a moving picture because the eye
A. can focus very rapidly as pictures change
B. is quicker than the brain
C. can see two images separated only if the interval' between seeing them is more than' one-tenth of a second
D. can shut out some of the light
Answer : C

8. The largest reserve of radioactive element which can be used in a nuclear reactor has been found in India, The name of the element is
A. Thorium
B. Uranium
C. Plutonium
D. Radium
Answer : A

9. X-rays are
A. deflected by electric field
B. deflected by magnetic field
C. slightly deflected by electric field and magnetic field
D. not deflected by electric and magnetic fields
Answer : D

10. Which metal is used in storage batteries?
A. Copper
B. Lead
C. Tin
D. Iron
Answer : B

11. Among the following the most suitable material for the core of an electro-magnet is
A. steel
B. wood
C. soft iron
D. copper
Answer : C

12. A body has fallen from a height. Just before touching the pound it has
A. lost all its potential energy and gained an equivalent amount of kinetic energy
B. gained potential energy and lost kinetic energy
C. gained kinetic energy as well as potential energy
D. lost kinetic energy as well as potential energy
Answer : A

13. A proton is
A. a quantum of light energy
B. a quantum of matter
C. a positively charged atomic particle
D. another name for positron
Answer : C

14. The mass number and the atomic number of an element are X and Y respectively. The number oC neutrons in the atom of that element is
A. X
B. Y
C. X + Y
D. X Y
Answer : D

15. Which of the following can produce electricity?
A. resistor
B. thermocouple
C. light bulb
D. neon tube
Answer : B

16. The theory that the earth constituted the centre of the universe around which the sun and the planets revolved was propounded by
A. Copernicus
B. Ptolemy
C. Newton
D. Kepler
Answer : B

17. The Indian Space Research Organisation (ISRO) is located at
A. Thumba
B. Bangalore
C. Ahmedabad
D. New Delhi
Answer : B

18. 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

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

20. In the visible spectrum which colour has the shortest wavelength?
A. Red
B. Blue
C. Yellow
D. Violet
Answer : D

21. The resistance of a wire depends on
A. the material of the wire
B. the length of the wire
C. the cross section of the wire
D. All the above
Answer : D

22. Among the following the most suitable material for the core of an electro-magnet is
A. steel
B. wood
C. soft iron
D. copper
Answer : C

23. The largest reserve of radioactive element which can be used in a nuclear reactor has been found in India, The name of the element is
A. Thorium
B. Uranium
C. Plutonium
D. Radium
Answer : A

25. The leader of the team who succeeded in constructing the first nuclear reactor (an atomic pile) in the world was
A. Albert Einstein
B. Enrico Fermi
C. HJ Bhabha
D. Sir Isaac Newton
Answer : B

26. On the Kelvin scale, the melting point of ice is
A. 0 K
B. 273 K
C. 373 K
D. 100 K
Answer : B

27. Before the invention of geostationary satellites, television stations could not transmit their programmes to far off places because
A. these signals are electromagnetic in nature
B. these are not electromagnetic in nature
C. their wavelength is very large
D. they are not reflected by the ionosphere but pass through it
Answer : D

28. Enriched uranium means
A. Uranium that is very pure
B. Uranium in which the concentration of the isotope U-238 is more than in the naturally occuring uranium
C. Uranium in which the concentration of the isotope U-235 is more than in the naturally occuring uranium
D. None of the above
Answer : C

29. 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

30. The colour of a star is an indication of its
A. distance from the earth
B. age
C. temperature
D. size
Answer : C

31. A person cups his hand around the mouth when shouting. Why?
A. Sound energy from his mouth is then directed in one direction
B. The cupped hand acts as a cardboard tube of short length
C. The pitch of sound increases
D. Both (a) and (b)
Answer : D

32. The velocity of sound in a medium is
A. directly proportional to its pressure
B. inversely proportional to the square root of its pressure
C. directly proportional to the square root of its pressure
D. independent of its pressure
Answer : D

33. Heat transfer
A. cools the body that transfers it
B. heats the body that absorbs the heat
C. may change the physical state of the substance
D. All the above
Answer : D

34. If an object is placed between two parallel plane mirrors, the number of images formed will be
A. 1
B. infinite
C. 0
D. 4
Answer : B

35. A bucket of water is hung from a spring balance. A piece of iron is suspended in the water without touching the sides or touching the bottom of the bucket. The reading of the spring balance
A. will increase
B. will decrease
C. does not change
D. varies with the increase of depth of the immersion of the iron piece
Answer : A

36. The strength of an electromagnet can be increased by
A. increasing the length of the coiled wire
B. increasing current supply
C. increasing the size of the iron core
D. All the above
Answer : D

37. Cyclotron is an apparatus used
A. as an accelerator for imparting energies to charged particles of atomic magnitudes
B. to reduce the charge on a particle
C. to produce intense magnetic field
D. to produce intense electrical field
Answer : A

38. It is difficult to bon potatoes at the top or a mountain because
A. the water available is hard
B. it is colder than at sea level
C. the potatoes become hard
D. the boiling point of water is lower at that height on account of low atmospheric pressure
Answer : D

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

40. Out of the following, name the fluorescent substance.
A. quinine sulphate solution
B. paraffin oil
C. fluorescein solutions
D. All the above
Answer : D

41. A wire conveying a current deflects a pivoted magnetic needle. This was discovered by
A. Marconi
B. Oersted
C. Faraday
D. Ohm
Answer : B

42. When white light passes through a glass prism we get a spectrum on the other side of the prism. In the emergent beam the ray which is deviated least is
A. the violet ray
B. the red ray
C. the green ray
D. the blue ray
Answer : B

43. During thunder storm you are travelling in a car. To protect yourself from the lightning you will have to
A. remain in the car
B. get out of the car and lie flat in the ground
C. abandon the car and take shelter under a nearby tree
D. touch the nearest electric pole
Answer : A

44. The sun continuously produces an enormous amount of energy. This is due to
A. nuclear fission
B. nuclear fusion
C. chemical combustion
D. boiling
Answer : B

45. Two tumblers stuck together can be separated by
A. pouring ice cold water into the inner tumbler
B. pouring ice cold water on the outer tumbler
C. pouring hot water into the inner tumbler
D. dipping both the tumblers in hot water
Answer : A

46. Electron-volt is a unit of
A. power
B. velocity
C. energy widely used in nuclear physics
D. number of electrons
Answer : C

47. Which of the following wires of same dimensions offers least resistance to the ,flow of current?
A. copper
B. aluminium
C. silver
D. nichrome
Answer : C

48. Tap water is placed in an open pad and allowed to evaporate. After some time the temperature of water
A. increases to a great extent
B. increases slightly
C. decreases slightly
D. decreases rapidly
Answer : C

49. Alternating Current (AC) is more advantageous than direct current because
A. it can be transmitted easily and efficiently
B. Alternating Current (AC) loses the least amount of energy when transmitted at high voltages
C. Alternating Current (AC) voltage can be easily increased or decreased
D. all the above
Answer : D

50. The image of an object formed on the retina of the eye is
A. virtual and upright
B. virtual and inverted
C. real and inverted
D. real and upright
Answer : C