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In a singleslit diffraction experiment, ...

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.

A

If both the assertion and reason are true and reason is correct explanation of the assertion .

B

If both the assertion and reason are true but reason is not a correct explanation of the assertion .

C

If the assertion is true but the reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
C
The wave diffracted from the edges of circular obstacle , placed in the path of light , interfere constructively at the centre of the shadow resulting in the formation of a bright spot.
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