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How fast A person should drive …

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How fast A person should drive his car so that the red signal of light appears green wavelength for red colour is equal to 6200 Armstrong and wavelength for green colour is equal to 5400

Posted by Dr Saba 5 years, 4 months ago

Entrance Exam > NEET-UG > Physics

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Posted by Ravikant Kumar 4 months, 1 week ago

Entrance Exam > NEET-UG > Physics