# Ray Optics-Snell's Law (AIIMS Physics): Questions 1 - 4 of 4

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## Question number: 1

» Ray Optics » Snell's Law

MCQ▾

### Question

Velocity of light in a liquid is and in air, it is . If a ray of light passes from this liquid into air, the critical angle will be –

### Choices

Choice (4) Response

a.

600

b.

450

c.

300

d.

Question does not provide sufficient data or is vague

## Question number: 2

» Ray Optics » Snell's Law

Appeared in Year: 2005

Assertion-Reason▾

### Assertion (Ꭺ)

By roughening the surface of a glass sheet its transparency can be reduced.

### Reason (Ꭱ)

Glass sheet with rough surface absorbs more light.

### Choices

Choice (4) Response

a.

Ꭺ is false but Ꭱ is true

b.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

c.

Ꭺ is true but Ꭱ is false

d.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

## Question number: 3

» Ray Optics » Snell's Law

MCQ▾

### Question

Velocity of light in a liquid is and in air, it is . If a ray of light passes from this liquid into air, the critical angle will be –

### Choices

Choice (4) Response

a.

600

b.

300

c.

450

d.

Question does not provide sufficient data or is vague

## Question number: 4

» Ray Optics » Snell's Law

MCQ▾

### Question

What is the velocity of the light in the medium if and the velocity of light in a vacuum is ?

### Choices

Choice (4) Response

a.

b.

c.

d.

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