# Wave Optics (AIIMS Physics): Questions 9 - 13 of 13

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## Question number: 9

» Wave Optics » Interference

MCQ▾

### Question

The ratio of intensities of two waves is 16: 1. When they superimpose, the ratio of maximum to minimum intensity will become –

### Choices

Choice (4) Response

a.

9: 25

b.

25: 9

c.

4: 1

d.

1: 16

## Question number: 10

» Wave Optics » Young's Double Slit Experiment

MCQ▾

### Question

A double slit experiment is performed with light of wavelength 700 nm. A thin film of thickness and refractive index 1.5 is introduced in the path of the upper beam. The location of the central maximum will –

### Choices

Choice (4) Response

a.

Shift upward by five fringes

b.

Shift downward by 10 fringes

c.

Remain upshifted

d.

Shift upward by seven fringes

## Question number: 11

» Wave Optics » Interference

MCQ▾

### Question

In an interference experiment, forth bright fringe is obtained at a point on the screen with a light of 680 nm. What should be the wavelength of the light in order to obtain 6th bright fringe at the same point?

### Choices

Choice (4) Response

a.

760 nm

b.

453.3 nm

c.

630 nm

d.

549.4 nm

## Question number: 12

» Wave Optics » Young's Double Slit Experiment

MCQ▾

### Question

If distance between Young double slits becomes half, the fringe width becomes –

### Choices

Choice (4) Response

a.

b.

c.

Unchanged

d.

## Question number: 13

» Wave Optics » Young's Double Slit Experiment

Appeared in Year: 2007

MCQ▾

### Question

In Young’s double slit experiment when wavelength of is used then fringe width of is obtained. If wavelength of is used then what is the fringe width? [RPMT]

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page