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General Science - Questions and Answers

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131. Gene was first isolated by
A. C. V. Raman
B. J. C. Bose
C. Hargobind Khurana
D. S. Chandrashekar
Explanation:
132. The idea of wave nature of material particles was given by
A. Einstein
B. Doppler
C. de-Broglie
D. Maxwell
Explanation:
133. Why are we able to hear short wave broadcasts better than long wave broadcasts ?
A. Short waves are more energetic than long waves.
B. Short waves are unaffected by atmospheric disturbances.
C. Short wave broadcasts are made by nearby radio stations.
D. By convention, short waves are meant for long distances whereas long waves are reserved for short distances.
Explanation:
134. Gun powder was invented by
A. Alexander Flemming
B. Albert Einstein
C. Roger Bacon
D. Alfred Nobel
Explanation:
135. Mercury thermometer was invented by
A. Newton
B. Priestley
C. Fahrenheit
D. Galileo
Explanation:
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