Question

solve this problem
what will be it's answer
​

Answer 1

Answer:

6.7 x 10-8

Explanation:

Given:

Area of the mirror = 1 cm2 ,

Power transmitted to the mirror = 10 Wcm-2 ,

Calculations: -  The average force is given by  Δ p Δ t ΔpΔt Since the surface is perfectly reflecting we can write

Δp = 2 Δ t c Δtc So F = 2  ( Δ E c Δ t ) (ΔEcΔt) = 2  

p c pc =2  10 × 10 4 × 1 × 10 − 4 3 × 10 8 10×104×1×10−43×108

=  20 3 203x 10-8 N

= 6.7 x 10-8

HOPE IT HELPS U !!

Answer 2

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