Arihant DC Pandey Physics Class 11. We covered all the Arihant DC Pandey Physics Class 11 MCQs in this post for free so that you can practice well for the exam.
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Arihant DC Pandey Physics Class 11 Objective for Students
Which one of the following statements regarding lenses is not correct?
(a) A convex lens produces both real and virtual images.
(b) A concave lens produces both real and virtual images.
(c) A convex lens can produce images equal, greater, and smaller than the size of the object.
(d) A concave lens always produces images smaller than the size of the object.
Option b – A concave lens produces both real and virtual images
A lens, immersed in a liquid becomes invisible when
(a) the focal length of the lens is zero
(b) the focal length of the lens is finite
(c) the refractive index of the lens is less than the refractive index of the liquid
(d) the refractive index of the lens is equal to the refractive index of the liquid.
Option d – the refractive index of the lens is equal to the refractive index of the liquid
In a magnifying glass ……… lens is used.
(a) Convex
(b) Concave
(c) Plano concave
(d) Plano convex
Option a – Convex
Two glass lenses of the same focal length, one being convex and the other concave, are kept in contact, the combination will act as
(a) convergent lens
(b) divergent lens
(c) plane glass sheet
(d) mirror
Option c – plane glass sheet
An optical illusion which occurs mainly in deserts during hot summer is based on the principle of
(a) reflection
(b) interference
(c) dispersion
(d) total internal reflection
Option d – total internal reflection
Which one of the following processes is responsible for the glittering of an air bubble rising through water?
(a) Reflection of light
(b) Refraction of light
(c) Total internal reflection of light
(d) Scattering of light
Option c – Total internal reflection of light
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