1
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language

A biconvex lens has radii of curvature, 20 cm each. If the refractive index of the material of the lens is 1.5, the power of the lens is

A
+2 D
B
+20 D
C
+5 D
D
Infinity
2
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language

A light ray falls on a glass surface of refractive index $$\sqrt3$$, at an angle 60$$^\circ$$. The angle between the refracted and reflected rays would be

A
30$$^\circ$$
B
60$$^\circ$$
C
90$$^\circ$$
D
120$$^\circ$$
3
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language

Two transparent media A and B are separated by a plane boundary. The speed of light in those media are 1.5 $$\times$$ 108 m/s and 2.0 $$\times$$ 108 m/s, respectively. The critical angle for a ray of light for these two media is

A
sin$$-$$1 (0.500)
B
sin$$-$$1 (0.750)
C
tan$$-$$1 (0.500)
D
tan$$-$$1 (0.750)
4
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Change Language
Find the value of the angle of emergence from the prism. Refractive index of the glass is $$\sqrt 3 $$

NEET 2021 Physics - Geometrical Optics Question 18 English
A
90$$^\circ$$
B
60$$^\circ$$
C
30$$^\circ$$
D
45$$^\circ$$
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