Ray Optics (BITSAT Physics): Questions 1 - 5 of 17

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Question number: 1

» Ray Optics » Deviation and Dispersion of Light by a Prism

MCQ▾

Question

In an equilateral triangular prism, the angle of minimum derivation for a certain wavelength is Equation . The corresponding angle of incidence is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 2

» Ray Optics » Reflection and Refraction of Light

MCQ▾

Question

If the critical angle for total internal reflection from a medium to vacuum is Equation . Then velocity of light in the medium is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 3

» Ray Optics » Power of a Lens

MCQ▾

Question

Two lenses whose powers are Equation and Equation , respectively. The Power of Combination will be –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 4

» Ray Optics » Resolving Power of Microscopes and Astronomical Telescopes

MCQ▾

Question

The diameter of the objective lenses of a telescope is Equation and wave length of light is Equation . The limit of resolution of this telescope is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 5

» Ray Optics » Snell's Law

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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