﻿ Time taken by sunlight to pass through a window of thickness 4 mm whose refractive index is 1.5 is:  : Kaysons Education

# Time Taken By Sunlight To Pass Through A Window Of Thickness 4 Mm Whose Refractive Index Is 1.5 Is:

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## Question

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Correct option is

Velocity of light in window

#### SIMILAR QUESTIONS

Q1

A ray of light travelling inside a rectangular glass block of refractive index  is incident on the glass-air interface at an angle of incidence of 45o. The refractive index of air is one. Under these conditions the ray:

Q2

The critical angle of for light going from medium x into medium y is θ. The speed of light in medium x is v. The speed of light in medium y is:

Q3

Monochromatic light of wavelength  travelling in a medium of refractive index n1 enters a denser medium of refractive index n2. The wavelength in the second medium is:

Q4

When seen in green, the saffron and green portions of our national flag will appear to be:

Q5

Light travels through a glass plate of thickness t and having refractive indexμ. If c be the velocity of light in vacuum, the time taken by the light to travel this thickness of glass is:

Q6

are the electric permittivity and the magnetic permeability in a free space, ε and μ are the corresponding quantities in the medium, the index of refraction of the medium is:

Q7

A perfectly reflecting mirror has an area of 1 cm2. Light energy is allowed to fall on it for one hour at the rate of 10 W/cm2. The force that acts on the mirror is:

Q8

A point source of light is placed 4 m below the surface of water of refractive index 5/3. The minimum diameter of a disc, which should be placed over the source, on the surface of water to cut off all light coming out of water is:

Q9

A transparent cube of 15 cm edge contains a small air bubble. Its apparent depth when viewed through one face is 6 cm and when viewed through the opposite face is 4 cm. Then the refractive index of the material of the cube is:

Q10

A ray of light is incident on the surface of separation of a medium with the velocity of light at an angle 45o and is refracted in the medium at an angle 30o. What will be the velocity of light in the medium