Ray Optics · Physics · AP EAPCET

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MCQ (Single Correct Answer)

1
A ray of light travels from an optically denser to rare medium. The critical angle for the media is $C$. The maximum possible deviation of the ray will be
AP EAPCET 2024 - 21th May Morning Shift
2
The angle of polarisation for a medium with respect to air is $60^{\circ}$. The critical angle of this medium with respect to air is
AP EAPCET 2024 - 21th May Morning Shift
3
An object is placed at a distance of 18 cm in front of a mirror. If the image is formed at a distance of 4 cm on the other side, then focal length, nature of the mirror and nature of image are respectively
AP EAPCET 2024 - 20th May Evening Shift
4
An object lying 100 cm inside water is viewed normally from air. If the refractive index of water is $\frac{4}{3}$, then the apparent depth of the object is
AP EAPCET 2024 - 20th May Morning Shift
5
The minimum deviation produced by a hollow prism filled with a certain liquid is found to be $30^{\circ}$. The light ray is also, found to be refracted at an angle of $30^{\circ}$. Then, the refractive index of the liquid is
AP EAPCET 2024 - 19th May Evening Shift
6
The focal length of a thin converging lens in air is 20 cm . When thefens is immersed in a liquid, it behaves like a concave lens of power 1 D . If the refractive index of the material of the lens is 1.5 . The refractive index of the liquid is
AP EAPCET 2024 - 18th May Morning Shift
7

A needle is lying at the bottom of a water tank of height 12 cm. The apparent depth of the needle measured by a microscope is 9 cm . If the water is replaced by a liquid of refractive index of 1.5 of same height, the distance through which the microscope has to be moved to focus the needle again is

AP EAPCET 2022 - 5th July Morning Shift
8

The radii of curvature of a double convex lens are 4 cm and 8 cm . If the refractive index of the material of the lens is 1.5 , the focal length of the lens is nearly.

AP EAPCET 2022 - 4th July Evening Shift
9

A ray is incident from a medium of refractive index 2 into a medium of refractive index 1. The critical angle is

AP EAPCET 2022 - 4th July Morning Shift
10

Light of wavelength $$300 \mathrm{~nm}$$ in medium $$A$$ enters into medium $$B$$ through a plane surface. If the frequency of light is $$5 \times 10^{14} \mathrm{~Hz}$$ and the ratio of speed in medium $$A$$ to that in medium $$B$$ is $$4 / 5$$, the absolute refractive index of medium $$B$$ is

AP EAPCET 2021 - 19th August Evening Shift
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