MHT-CET

Dual Nature of Radiation and matter question bank (Physics)

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Q1.

The ratio of the wavelength of a photon of energy $E$ to that of an electron of the same energy is ($m=$ mass of an electron,$c=$ speed of light,$h=$ Planck's constant).

(A)
$\sqrt{\frac{m}{cE}}$
(B)
$\sqrt{\frac{2m}{cE}}$
(C)
$c \sqrt{\frac{m}{E}}$
(D)
$c \sqrt{\frac{2m}{E}}$
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Q2.

Dual nature of light is exhibited by

(A)
diffraction as well as photoelectric effect
(B)
diffraction as well as reflection
(C)
refraction as well as interference
(D)
photoelectric effect
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