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General Science - Questions and Answers

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166. Who is the recepient of Noble prize for the development of Wireless Telegraphy ?
A. J. J. Thomson
B. Kamerling Onnes
C. Samuel Morse
D. Marconi
Explanation:
167. Who was the first to observe ultraviolet rays ?
A. Rutherford
B. Johann Wilhelm Ritter
C. William Hersechel
D. Auguste Comte
Explanation:
168. Gauss Law is related to
A. arrangement of atoms in a crystal lattice
B. quantity of substance deposited at an electrode during electrolysis when electric current is passed through the solution
C. electric flux passing through a closed surface enclosing a charge
D. quantity of ligh reflected from the surface of a liquid
Explanation:
169. The variety of coal in which the deposit contains recognisable traces of the orginal plant material is
A. anthracite
B. lignite
C. peat
D. bitumen
Explanation:
170. The Sun is visible a little before it rises on the horizon and a little after it sets below the horizon. This is a consequence of the phenomenon of
A. refraction
B. total internal reflection
C. dispersion
D. scattering of suns light
Explanation:
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