NEET 2023 Manipur | Geometrical Optics Question 5 | Physics

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 - Geometrical Optics Question 5 English

$$9^{\circ}$$

$$10^{\circ}$$

$$4^{\circ}$$

$$6^{\circ}$$

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

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

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

NEET 2023

MCQ (Single Correct Answer)

-1

Light travels a distance $$\mathrm{x}$$ in time $$t_{1}$$ in air and $$10 \mathrm{x}$$ in time $$t_{2}$$ in another denser medium. What is the critical angle for this medium?

$$\sin ^{-1}\left(\frac{10 \mathrm{t}_{2}}{\mathrm{t}_{1}}\right)$$

$$\sin ^{-1}\left(\frac{t_{1}}{10 t_{2}}\right)$$

$$\sin ^{-1}\left(\frac{10 t_{1}}{t_{2}}\right)$$

$$\sin ^{-1}\left(\frac{t_{2}}{t_{1}}\right)$$

NEET 2023

MCQ (Single Correct Answer)

-1

In the figure shown here, what is the equivalent focal length of the combination of lenses (Assume that all layers are thin) ?

NEET 2023 Physics - Geometrical Optics Question 8 English