Advertisements
Advertisements
प्रश्न
The refractive index of four substances A, B, C, and D are 1.31, 1.43, 1.33, 2.4 respectively. The speed of light is maximum in
पर्याय
A
B
C
D
Advertisements
उत्तर
A
APPEARS IN
संबंधित प्रश्न
A wall reflects light and a mirror also reflects light. What difference is three in the way they reflect light?
The angle of reflection is equal to the angle of incidence:
(a) always
(b) sometimes
(c) under special conditions
(d) never
In which material do you think light rays travel faster-glass or air?
Light travels more quickly through water than through glass.
If a ray of light passes from glass into water, which way will it bend : towards the normal or away from the normal?
A coin in a glass tumbler appears to rise as the glass tumbler is slowly filled with water. Name the phenomenon responsible for this effect.
List four characteristics of the image formed by a concave lens of focal length 20 cm when the object is placed at a distance of 40 cm from its optical centre.
Explain how the formation of a rainbow occurs.
Due to _______ pencil looks bent in water, in the given experiment.
Which surface will not reflect most of the light falling on them?
Which is optically denser out of the two medium M1& M2 having the refractive indices = 1.71 and 1.36 respectively?
