Light of intensity `50W//m^(2)` is incident on a arae of `1m^(2)` in such a way that `25%` of light is reflected back. Find the force exerted by light on surface if light incident perpendicularlyA. `10.8xx10^(-8)N`B. `15.8xx10^(-8)N`C. `20.8xx10^(-8)N`D. `25.8xx10^(-8)N`

Light of intensity `50W//m^(2)` is incident on a arae of `1m^(2)` in s

1.	Light of intensity `50W//m^(2)` is incident on a arae of `1m^(2)` in such a way that `25%` of light is reflected back. Find the force exerted by light on surface if light incident perpendicularlyA. `10.8xx10^(-8)N`B. `15.8xx10^(-8)N`C. `20.8xx10^(-8)N`D. `25.8xx10^(-8)N`
Answer» Correct Answer - C

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Light of intensity `50W//m^(2)` is incident on a arae of `1m^(2)` in such a way that `25%` of light is reflected back. Find the force exerted by light on surface if light incident perpendicularlyA. `10.8xx10^(-8)N`B. `15.8xx10^(-8)N`C. `20.8xx10^(-8)N`D. `25.8xx10^(-8)N`

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