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Ray Optics and Optical Instruments

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2021
The incident ray, reflected ray and the outward drawn normal are denoted by the unit vectors $\vec{a}, \vec{b}$ and $\vec{c}$ respectively. Then choose the correct...
JEE Main Physics Easy
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Q JEE MAIN 2021
The angle of deviation through a prism is minimum when
JEE Main Physics Easy
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Q JEE MAIN 2021
A short straight object of height 100 cm lies before the central axis of a spherical mirror whose focal length has absolute value |f| =...
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Q JEE MAIN 2022
The speed of light in media ' $A$ ' and ' $B$ ' are $2.0 \times 10^{10} \mathrm{~cm} / \mathrm{s}$ and $...
JEE Main Physics Medium
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Q JEE MAIN 2022
A parallel beam of light is allowed to fall on a transparent spherical globe of diameter 30 cm and refractive index 1.5. The distance from...
JEE Main Physics Hard
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Q JEE MAIN 2022
Consider a light ray travelling in air is incident into a medium of refractive index $\sqrt{2 \mathrm{n}}$ . The incident angle is twice that of...
JEE Main Physics Medium
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Q JEE MAIN 2022
A light ray is incident, at an incident angle $\theta_1$, on the system of two plane mirrors $\mathrm{M}_1$ and $\mathrm{M}_2$ having an inclination angle 75°...
JEE Main Physics Medium
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Q JEE MAIN 2022
Two identical thin biconvex lenses of focal length 15 cm and refractive index 1.5 are in contact with each other. The space between the lenses...
JEE Main Physics Hard
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Q JEE MAIN 2022
The difference of speed of light in the two media $A$ and $B\left(v_A-v_B\right)$ is $2.6 \times 10^7 \mathrm{~m} / \mathrm{s}$. If the refractive index of...
JEE Main Physics Medium
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Q JEE MAIN 2022
The aperture of the objective is 24.4 cm. The resolving power of this telescope. If a light of wavelength 2440 Å is used to see...
JEE Main Physics Easy
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