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A vessel of depth $2 d cm$ is half filled with a liquid of refractive index $μ_{1}$ and the upper half with a liquid of refractive index $μ_{2}$ . The apparent depth of the vessel seen perpendicularly from about is

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Important Questions on Geometric Optics

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JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 7 - Geometric Optics>Objective Problems [Level 1]>Q 27

The refractive indices of glass and water with respect to air are

\frac{3}{2}

and

\frac{4}{3}

respectively. The refractive index of glass with respect to water will be

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Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 7 - Geometric Optics>Objective Problems [Level 1]>Q 28

{}_{i}μ_{j}

represents refractive index when a light ray goes from medium

i

to medium

j

, then the product

{}_{2}μ_{1} \times {}_{3}μ_{2} \times {}_{4}μ_{3}

is equal to

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Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 7 - Geometric Optics>Objective Problems [Level 1]>Q 29

Electromagnetic radiation of frequency

n

, wavelength

λ

, travelling with velocity

v

in air, enters a glass slab of refractive index

μ

. The frequency, wavelength and velocity of light in the glass slab will be respectively

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JEE Advanced

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Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 7 - Geometric Optics>Objective Problems [Level 1]>Q 30

A ray of light is incident on the surface of separation of a medium at an angle

45 °

and is refracted in the medium at an angle

30 °

. What will be the velocity of light in the medium?

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JEE Advanced

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Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 7 - Geometric Optics>Objective Problems [Level 1]>Q 31

Absolute refractive index of glass and water are

\frac{3}{2}

and

\frac{4}{3}

. The ratio of velocities of light in glass and water will be

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JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 7 - Geometric Optics>Objective Problems [Level 1]>Q 32

An under water swimmer is at a depth of

12 m

below the surface of water. A bird is at a height of

18 m

from the surface of water, directly above his eyes. For the swimmer the bird appears to be at a distance from the surface of water equal to (refractive index of water is

\frac{4}{3}

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JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 7 - Geometric Optics>Objective Problems [Level 1]>Q 33

A point object is placed at the centre of a glass sphere of radius

6 cm

and refractive index

1.5

. The distance of the virtual image from the surface of the sphere is

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JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 7 - Geometric Optics>Objective Problems [Level 1]>Q 34

When light is refracted into a medium from vacuum

A vessel of depth 2d cm is half filled with a liquid of refractive index μ1 and the upper half with a liquid of refractive index μ2. The apparent depth of the vessel seen perpendicularly from about is

Important Questions on Geometric Optics

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A vessel of depth $2 d cm$ is half filled with a liquid of refractive index $μ_{1}$ and the upper half with a liquid of refractive index $μ_{2}$ . The apparent depth of the vessel seen perpendicularly from about is