1
NEET 2022 Phase 1
+4
-1

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$$^\circ$$
2
NEET 2022 Phase 1
+4
-1

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)
3
NEET 2021
+4
-1
Find the value of the angle of emergence from the prism. Refractive index of the glass is $$\sqrt 3$$

A
90$$^\circ$$
B
60$$^\circ$$
C
30$$^\circ$$
D
45$$^\circ$$
4
NEET 2021
+4
-1
A convex lens 'A' of focal length 20 cm and a concave lens 'B' of focal length 5 cm are kept along the same axis with a distance 'd' between them. If a parallel beam of light falling on 'A' leaves 'B' as a parallel beam, then the distance 'd' in cm will be :
A
30
B
25
C
15
D
50
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