Assertion: When tiny circular obstacle is placed in the path of light from some distance, a bright spot is seen at the centre of the shadow of the obstacle. Reason: Destructive interference occurs at the centre of the shadow.

Question

Assertion: When tiny circular obstacle is placed in the path of light from some distance, a bright spot is seen at the centre of the shadow of the obstacle. Reason: Destructive interference occurs at the centre of the shadow. (A) If both the assertion and reason are true and reason is a correct explanation of the assertion (B) If both assertion and reason are true but assertion 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

Tardigrade Admin · Accepted Answer

The waves 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.

Q. Assertion : When tiny circular obstacle is placed in the path of light from some distance, a bright spot is seen at the centre of the shadow of the obstacle. Reason : Destructive interference occurs at the centre of the shadow.

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

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

If the assertion is true but the reason is false

If both assertion and reason are false

The waves 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.

Q. Assertion : When tiny circular obstacle is placed in the path of light from some distance, a bright spot is seen at the centre of the shadow of the obstacle.
Reason : Destructive interference occurs at the centre of the shadow.