Home
Class 12
PHYSICS
To observe diffraction, the size of the ...

To observe diffraction, the size of the obstacle

A

Should be of the same order as wavelength

B

Should be much smaller than the wavelength

C

Has no relation to wavelength

D

Should be exactly `lamda/2`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

Assertion: To observe diffraction of light the size of obstacle/aperture should be of the order of 10^-7m . Reason: 10^-7m is the order of wavelength of visible light.

"Bats can ascertain distances, directions, nature and size of the obstacles without any eyes". How ?

In order to see diffraction the thickness of the film is

Show that the minimum size of a plane mirror required to see the full image of an observer is half the size of that observer.

Red light is generally used to observe diffraction pattern from single slit. If blue light is used instead of red light, then diffraction pattern.

A: When a tiny circular obstacle is placed in the path of light from a distant source, a bright spot is seen at the centre of the shadow of the obstacle. R: Waves diffracted from the edge of the circular obstacle interfere constructively at the centre of the shadow producing a bright spot.

Diffraction of light is observed only, when the obstacle size is-

Diffraction of light is observed only, when the obstacle size is-

The diffraction effect can be observed in

In a singleslit diffraction experiment, when a tiny circular obstacle is placed in the path of light from a distant source, a bright spot is seen at the centre of the shadow of the obstacle. Explain why ? State two points of difference the interference pattern obtained in Young's double slit experiment and the diffraction pattern due to a single slit.