# Wave Optics-Young's Double Slit Experiment (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 12 - 16 of 17

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2142 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

## Question number: 12

» Wave Optics » Young's Double Slit Experiment

MCQ▾

### Question

In Young’s double slit experiment, the distance between two slits is made three times then the fringe width will become –

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 13

» Wave Optics » Young's Double Slit Experiment

Assertion-Reason▾

### Assertion (Ꭺ)

In Young’s double slit experiment, the fringes become indistinct if one of the slits is covered with cellophane paper.

### Reason (Ꭱ)

The cellophane paper decreases the wavelength of light.

### Choices

Choice (4) Response

a.

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

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.

Ꭺ is false but Ꭱ is true

## Passage

In a Young’s double slit experiment a monochromatic light whose wavelength is λ strikes on the slits, separated by distance d, as shown in the figure. Refractive index of the medium between slits and screen varies with time t as . Here n 0 and k are positive constants. Position of any point P on screen is measure by its -coordinate as shown.

## Question number: 14 (1 of 2 Based on Passage) Show Passage

» Wave Optics » Young's Double Slit Experiment

MCQ▾

### Question

The velocity of central maxima at any time t as a function of time t is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 15 (2 of 2 Based on Passage) Show Passage

» Wave Optics » Young's Double Slit Experiment

MCQ▾

### Question

The y co-ordinate of central maxima at any time t is,

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 16

» Wave Optics » Young's Double Slit Experiment

MCQ▾

### Question

In a Young’s double slit experiment, the separation between the slits is 0.10 mm, the wavelength of light used is 600 nm and the interference pattern is observed on a screen 1.0 m away. Find the separation between the successive bright fringes.

### Choices

Choice (4) Response

a.

6 cm

b.

6.6 mm

c.

6 m

d.

6.0 mm

f Page