(d) 4, 1, 2, 3
Ans : (a)
54. The mass of the body is different from its weight because: [AssttGrade1991]
(a) mass varies very little at different places, whereas weight varies a lot
(b) mass is a variable quantity, whereas weight is constant
(c) mass is a measure of the quantity of matter, whereas" weight is force
(d) mass is constant but weight increases as the body moves from the Poles to the Equator
Ans : (c)
55. Electron was first identified by:
(a) JJ. Thomson
(b) Daniel Rutherford
(c) J. Kepler
(d) James Chadwick
Ans : (a)
56. Neutron was discovered by: [NDA 1991]
(a) Moseley
(b) Rutherford
(c) Thomson
(d) Chadwick
Ans : (d)
57. Who among the following received Nobel Prize twice for the same subject? [LIC 1993]
(a) Frederic Jolit
(b) Frederic Sanger
(c) Stanley Cohen
(d) Marie Curie
Ans : (d)
58. Who is the recipient of Nobel Prize for the Development of Wireless Telegraphy?
(a) J. J. Thomson
(b) Kamerling Onnes
(c) Samuel Morse
(d) Marconi
Ans : (d)
59. Which one of the following pairs is correctly matched? [IFS 1990]
(a) Madam Curie - X-ray
(b) Albert Einstein - Photoelectric effect
(c) Linus Pauling - Electron
(d) C. V. Raman - Stock effect
Ans : (b)
60. Which of the following is the correct combination of the inventors and the inventions? [MBA 1994]
(a) Galileo Galilei - Transistors
(b) Elisha Thomson - Windmill
(c) J. L. Baird - Television
(d) Sir Frank Whittle - Laser
Ans : (c)
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