Important Questions in Physics Class 11. We covered all the Important Questions in Physics Class 11 MCQs in this post for free so that you can practice well for the exam.
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Important Questions in Physics Class 11 Objective for Students
Which of the following is not an example of the refraction of light?
(a) Twinkling effect of stars
(b) Mirages
(c) Lateral inversion
(d) Bending of light while passing through a medium
Option c – Lateral inversion
A lemon kept in water in a glass tumbler appears to be larger than its actual size. This is because of
(a) the reflection of light.
(b) scattering of light.
(c) refraction of light
(d) polarization of light.
Option c – refraction of light
Why does a water tank appear shallower when viewed from the top?
(a) Due to reflection
(b) Due to refraction
(c) Due to diffraction
(d) Due to total internal reflection
Option b – Due to refraction
The twinkling of stars is due to
(a) the large distance of stars and storms in the air.
(b) the rotation of the Earth.
(c) the large size of stars.
(d) the large distance of stars and fluctuations in the density of air.
Option d – the large distance of stars and fluctuations in the density of air
Due to atmospheric refraction, sunrise is advanced, and sunset is delayed by about
(a) 1 minute
(b) 2 minutes
(c) 4 minutes
(d) 3 minutes
Option b – 2 minutes
The Sun is seen a little before it rises and for a short while after it sets. This is because of
(a) total internal reflection
(b) atmospheric refraction
(c) apparent shift in the direction of the Sun
(d) dispersion
Option b – atmospheric refraction
The bending of light rays in a denser medium is termed as
(a) Reflection
(b) Dispersion
(c) Refraction
(d) Deflection
Option c – Refraction
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