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interference and electromagnetic waves

Authored by ASWATI Moe

Physics

4th Grade

Used 7+ times

interference and electromagnetic waves
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What type of interference is represented in this diagram?

Constructive

Destructive

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What type of interference is represented in the diagram?

Constructive

Destructive

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What type of interference do noise cancelling headphones use?

Constructive Interference

Destructive Interference

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

line that joining all constructive interference we call as

antinodal line

nodal line

noted line

straight line

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

what happen to value of x when a decrease

constant

decrease

increase

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

what happen to value of x when green light sources is replaced by red light sources

decrease

increase

no change

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A red light has a wavelength of 650nm.
It is shone through a double slit spacing 0.2mm onto a screen 2m away.
The fringe spacing is?

6.5 x 10 -6 m
1.6 x 10-3 m
6.5 x 10-3 m
1.6 x 10-6 m

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