MSC Physics Previous Question Papers. We covered all the MSC Physics Previous Question Papers MCQs in this post for free so that you can practice well for the exam.
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MSC Physics Previous Objective Question Papers for Students
X-rays are
(a) deflected by an electric field but not by a magnetic field.
(b) deflected by a magnetic field but not by an electric field.
(c) deflected by both a magnetic field and an electric field.
(d) not deflected by an electric field or a magnetic field.
Option d – not deflected by an electric field or a magnetic field
The reverse effect of X-ray emission is
(a) Raman effect
(b) Compton effect
(c) Zeeman effect
(d) Photoelectric
Option d – Photoelectric
Which one among the following waves carries the maximum energy per photon?
(a) X-rays
(b) Radio waves
(c) Light waves
(d) Microwaves
Option a – X-rays
If the potential difference applied to an X-ray tube is doubled while keeping the separation between the filament and the target the same, what will happen to the cut-off wavelength?
(a) Will remain the same
(b) Will be doubled
(c) Will be halved
(d) Will be four times the original wavelength
Option c – Will be halved
Which one of the following is not a property of X-rays?
(a) They are deflected by electric fields.
(b) They are not deflected by magnetic fields.
(c) They have a high penetration length in matter.
(d) Their wavelength is much smaller than that of visible light.
Option a – They are deflected by electric fields
X-rays can be produced
(a) when low-speed electrons are ejected.
(b) when high-speed electrons are obstructed by a metal surface.
(c) when anode ray is obstructed by a solid object.
(d) when a gamma-ray is obstructed by a solid object.
Option b – when high-speed electrons are obstructed by a metal surface
Davisson and Germer’s experiment proved the
(a) wave nature of electrons.
(b) particle nature of light.
(c) Both (a) and (b)
(d) Neither (a) nor (b)
Option a – wave nature of electrons
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