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Dual Nature of Radiation

Section: Physics

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Question : 7

Total: 24

A perfectly reflecting mirror of mass M mounted on a spring constitutes a spring-mass system of angular frequency Ω such that ‌‌

=1024m−2 with h as Planck’s constant. N photons of wavelength λ=8π×10−6m strike the mirror simultaneously at normal incidence such that the mirror gets displaced by 1µm. If the value of N is x×1012 then the value of x is ______
[Consider the spring as massless]

[JEE Adv 2019 P2]

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