Question
When a light wave is reflected from a mirror, there is
a change in its –Solution
When a light wave is reflected from an object, it changes not only its amplitude but also its phase according to the properties of the object at a particular point. The velocity and momentum are just reversed in another direction.
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Who was the President of the Independence for India league' formed in 1928?
The purchase of one company by another company is called
The Theme for National Youth Day 2021 was?
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