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Science - Physics

Read many objective multiple choice questions of Science - Physics in English. Practise online thousands of questions related to Science - Physics. You can check online answer and try mock tests for Science - Physics Questions provided in English.

Assertion (A): Radio waves bend in a magnetic field.
Reason (R): Radio waves are electromagnetic in nature. 

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  • OOPS, your answer is incorrect

Assertion (A): In the visible spectrum of light,red light is more energetic than green light.
Reason (R): The wavelength of red light is more than that of green light. 

  • a
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  • OOPS, your answer is incorrect

Assertion (A): A jet aircraft moving at Mach Mumber equal to 1 travels faster at an altiude of 15 km than while moving at Mach Number equal to 1 near the sea level. 
Reason (R): The velocity of sound depends on the temperature of the surrounding medium. 

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  • OOPS, your answer is incorrect

Assertion (A): In our houses, the current in A.C. electricity line changes direction 60 times per second.
Reason (R): The frequency of alternating voltage supplied is 50 Hz. 

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  • OOPS, your answer is incorrect

Assertion (A): The weight of a body decreases with the increase of latitude on earth.
Reason (R): The earth is not a perfect sphere.

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  • OOPS, your answer is incorrect

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