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General Knowledge on Science | SSC Combined Graduate Level Exam

(16) The unit of Planck's constant is :
[A] JS
[B] J/S
[C] JS2
[D] None of these

Comment

Answer: Option [A]
(17) The SI unit of electric charge is :
[A] ampere
[B] coulomb
[C] ohm
[D] kelvin

Comment

Answer: Option [B]

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(18) Which instrument is used to convert heat into electrical energy ?
[A] Ammeter
[B] Hydrometer
[C] Thermoelectric generator
[D] Voltmeter

Comment

Answer: Option [C]
(19) The colours of stars depend on :
[A] distance
[B] temperature
[C] atmospheric pressure
[D] pollutants of air

Comment

Answer: Option [B]
(20) How stationary waves are formed ?
[A] A transverse wave superposing a longitudinal wave
[B] Two waves of the same speed superposing
[C] Two waves of same frequency travelling in the same direction
[D] Two waves of same frequency travelling in the opposite direction

Comment

Answer: Option [D]

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