# Ray Optics (BITSAT Physics): Questions 1 - 6 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 . The corresponding angle of incidence is –

### Choices

Choice (4) Response

a.

b.

c.

d.

## 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 . Then velocity of light in the medium is –

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 3

» Ray Optics » Power of a Lens

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 4

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

b.

c.

d.

## 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 and is refracted in the medium at an angle . What will be the velocity of light in the medium?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 6

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

MCQ▾

### Question

The angle of minimum deviation for a thin prism with respect to air and when dipped in water will be

### Choices

Choice (4) Response

a.

b.

c.

d.

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