Q JEE-MAIN 2021

Curved surfaces of a plano-convex lens of refractive index $\mu$1 and a plano-concave lens of refractive index $\mu$2 have equal...

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An object is placed at the focus of concave lens having focal length $f$, What is the magnification and distance...

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An object is placed at a distance of 12 cm from a convex lens. A convex mirror of focal length...

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Car B overtakes another car A at a relative speed of $40 \mathrm{~ms}^{-1}$. How fast will the image of car...

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A ray of light entering from air into a denser medium of refractive index $\frac{4}{3}$, as shown in figure. The...

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Q JEE MAIN 2021

The expected graphical representation of the variation of angle of deviation ‘δ’ with angle of incidence ‘i’ in a prism...

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Q JEE MAIN 2021

A prism of refractive index μ and angle of prism A is placed in the position of minimum angle of...

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A ray of light passing through a prism $(\mu=\sqrt{3})$ suffers minimum deviation. It is found that the angle of incidence...

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Q JEE-MAIN 2021

A ray of laser of a wavelength 630 nm is incident at an angle of 30º at the diamond-air interface....

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A prism of refractive index $n_1$ and another prism of refractive index $n_2$ are stuck together (as shown in the...

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Q JEE MAIN 2021

The expected graphical representation of the variation of angle of deviation ' $\delta$ ' with angle of incidence ' i...

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Q JEE MAIN 2021

A ray of light passes from a denser medium to a rarer medium at an angle of incidence $i$. The...

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The relative permittivity of distilled water is 81 . The velocity of light in it will be : (Given $\left.\mu_r=1\right)$

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Three rays of light, namely red (R), green (G) and blue (B) are incident on the face PQ of a...

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The image of an object placed in air formed by a convex refracting surface is at a distance of 10...

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A deviation of 2° is produced in the yellow ray when prism of crown and flint glass are achromatically combined....

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Red light differs from blue light as they have:

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Q _JEE_MAIN_2021

The thickness at the centre of a plano convex lens is 3 mm and the diameter is 6 cm ....

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Q JEE MAIN 2021

Your friend is having eye sight problem. She is not able lo see clearly a distant uniform window mesh and...

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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 $\vec{c}$...

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Q JEE MAIN 2021

The angle of deviation through a prism is minimum when

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A short straight object of height 100 cm lies before the central axis of a spherical mirror whose focal length...

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Q JEE MAIN 2022

The speed of light in media ' $A$ ' and ' $B$ ' are $2.0 \times 10^{10} \mathrm{~cm} / \mathrm{s}$...

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A parallel beam of light is allowed to fall on a transparent spherical globe of diameter 30 cm and refractive...

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Consider a light ray travelling in air is incident into a medium of refractive index $\sqrt{2 \mathrm{n}}$ . The incident...

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A light ray is incident, at an incident angle $\theta_1$, on the system of two plane mirrors $\mathrm{M}_1$ and $\mathrm{M}_2$...

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Two identical thin biconvex lenses of focal length 15 cm and refractive index 1.5 are in contact with each other....

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The difference of speed of light in the two media $A$ and $B\left(v_A-v_B\right)$ is $2.6 \times 10^7 \mathrm{~m} / \mathrm{s}$....

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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...

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Q JEE MAIN 2022

The refracting angle of a prism is A and refractive index of the material of the prism is cot (A/2)....

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A light wave travelling linearly in a medium of dielectric constant 4, incident on the horizontal interface separating medium with...

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