NEET 2023 Manipur | Optics Question 2 | Physics

$$\epsilon_0$$ and $$\mu_0$$ are the electric permittivity and magnetic permeability of free space respectively. If the corresponding quantities of a medium are $$2 ~\epsilon_0$$ and $$1.5 ~\mu_0$$ respectively, the refractive index of the medium will nearly be :

$$\sqrt{2}$$

$$\sqrt{3}$$

NEET 2023 Manipur

MCQ (Single Correct Answer)

-1

A horizontal ray of light is incident on the right angled prism with prism angle $$6^{\circ}$$. If the refractive index of the material of the prism is 1.5 , then the angle of emergence will be:

NEET 2023 Manipur Physics - Optics Question 4 English

$$9^{\circ}$$

$$10^{\circ}$$

$$4^{\circ}$$

$$6^{\circ}$$

NEET 2023 Manipur

MCQ (Single Correct Answer)

-1

NEET 2023 Manipur Physics - Optics Question 2 English

Which set of colours will come out in air for a situation shown in figure?

Yellow, Orange and Red

All

Orange, Red and Violet

Blue, Green and Yellow

NEET 2023 Manipur

MCQ (Single Correct Answer)

-1

An object is mounted on a wall. Its image of equal size is to be obtained on a parallel wall with the help of a convex lens placed between these walls. The lens is kept at distance x in front of the second wall. The required focal length of the lens will be :

less than $$\frac{x}{4}$$

more than $$\frac{x}{4}$$ but less than $$\frac{x}{2}$$

$$\frac{x}{2}$$

$$\frac{x}{4}$$

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