Wave Optics (AIIMS Physics): Questions 1 - 3 of 13

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Question number: 1

» Wave Optics » Young's Double Slit Experiment

Appeared in Year: 1999

MCQ▾

Question

In Young’s experiment, monochromatic light is used to illuminate the two slits A and B. Interference fringes are observed on a screen placed in front of the slits. Now if a thin glass plate is placed normally in the path of the beam coming from the slit then – [AIIMS]

Monochromatic light illuminate two slits

Monochromatic Light Illuminate Two Slits

In figure monochromatic light is used to illuminate the two slits A and B is shown. A thin glass plate is placed normally in the path of the beam coming from the slit.

Choices

Choice (4) Response

a.

The fringe width will decrease

b.

The fringe width will increase

c.

There will be no change in the fringe width

d.

The fringes will disappear

Question number: 2

» Wave Optics » Interference

Appeared in Year: 2002

MCQ▾

Question

What is the path difference for destructive interference – [AIIMS]

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 3

» Wave Optics » Young's Double Slit Experiment

Appeared in Year: 2004

MCQ▾

Question

A monochromatic beam of light is used for the formation of fringes on the screen by illuminating the two slits in the Young’s double slit interference experiment. When a thin film of mica is interposed in the path of one of the interfering beams then – [AIIMS]

Choices

Choice (4) Response

a.

The fringe width decreases

b.

The fringe width remains the same but the pattern shifts

c.

The fringe width increases

d.

The fringe pattern disappears

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