Define the term wave fronts
What do you mean by the term wave fronts? Explain in short.
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The wave front is an imaginary surface joining all the points in space which are reached at similar instant through a wave propagating via a medium.
why rockets are also called as projectile
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State the law of Lamberts Cosine? Describe briefly?
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Describe why is heavy water employed as a moderator? Illustrate.
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