Advertisements
Advertisements
Question
Absolute refractive indices of diamond and water are 2.42 and 1.33 respectively. Find the value of refractive index of water w.r.t. diamond.
Solution
Refractive index of water w.r. t. air is = 1.33
Similarly refractive index of diamond w.r.t. air is = 2.4
So,
Refractive index of water with respect to diamond is = `1.33/2.4 ` = 0.55
APPEARS IN
RELATED QUESTIONS
The refractive index of diamond is 2.42. What is the meaning of this statement?
The speed of light in air is:
(a) 3 × 108 cm/s
(b) 3 × 108 mm/s
(c) 3 × 108 km/s
(d) 3 × 108 m/s
Which of the following diagrams shows the ray of light refracted correctly?
The refractive indices of four substance P, Q, R and S are 1.50, 1.36, 1.77 and 1.31 respectively. The speed of light is the maximum in the substance:
(a) P
(b) Q
(c) R
(d) S
2n1 : Refractive index of medium 2 with respect to medium 1 : : 1n2 : _______
If the absolute refractive index of water is 1.36, find the speed of light in water. (Speed of light in vacuum = 3 × 108 m/s.)
A light ray enters from medium A to medium B as shown in figure. The refractive index of medium B relative to A will be ______.
Noor, a young student, was trying to demonstrate some properties of light in her Science project work. She kept ‘X’ inside the box (as shown in the figure) and with the help of a laser pointer made light rays pass through the holes on one side of the box. She had a small butter-paper screen to see the spots of light being cast as they emerged.
She measured the angles of incidence for both the rays on the left side of the box to be 48.60. She knew the refractive index of the material ‘X’ inside the box was 1.5. What will be the approximate value of angle of refraction?
(use the value: sin 48.6° ≈ 0.75)
How is the refractive index of material related to the velocity of light?
What happens when a light ray passes from a rarer medium to a denser medium?