If the energy density and velocity of a wave are $u$ and $c$ respectively then the energy propagating per second per unit area will be

u / c

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c^{2} u

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u c

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c / u

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Solution

The correct option is C $u c$
If the energy density and velocity of a wave are $u$ and $c$ respectively then the energy propagating per second per unit area will be $u c .$

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If the energy density and velocity of a wave are u and c respectively then the energy propagating per second per unit area will be

The correct option is C ucIf the energy density and velocity of a wave are u and c respectively then the energy propagating per second per unit area will be uc.

If the energy density and velocity of a wave are $u$ and $c$ respectively then the energy propagating per second per unit area will be

The correct option is C $u c$
If the energy density and velocity of a wave are $u$ and $c$ respectively then the energy propagating per second per unit area will be $u c .$