A parallel beam, of 6.0 mW radiation of wavelength 200 nm and of area of cross-section 1.0 ~mm^2 , falls normally on a plane metallic surface. If the radiations are completely reflected, the pressure exerted by the

Correct answer: D. 4 × 10^ -5 ~Pa No Solution

Olympiad workbook

Exam: Olympiad workbook
Subject: NSEP
Chapter: Dual Nature of Matter

Olympiad workbook · NSEP · Dual Nature of Matter

A parallel beam, of 6.0 mW radiation of wavelength 200 nm and of...

A parallel beam, of 6.0 mW radiation of wavelength 200 nm and of area of cross-section

1.0 \mathrm{~mm}^2

, falls normally on a plane metallic surface. If the radiations are completely reflected, the pressure exerted by the radiations on the metallic surface is estimated to be

Options

A $1 \times 10^5 \mathrm{~Pa}$
B $2 \times 10^5 \mathrm{~Pa}$
C $2 \times 10^{-5} \mathrm{~Pa}$
D $4 \times 10^{-5} \mathrm{~Pa}$

Correct answer

D. $4 \times 10^{-5} \mathrm{~Pa}$

Step-by-step solution

No Solution

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