Assertion :In Young's double slit experiment interference pattern disappear when one of the slits is closed. Reason: Interference occurs due to superimposition of light waves from two coherent sources.

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

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

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If assertion is true but reason is false.

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If both assertion and reason are false.

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Solution

The correct option is A If both assertion and reason are true and reason is the correct explanation of assertion.
The interference occurs due to the superposition of light waves coming from two coherent sources. In young's double-slit experiment, one of the slit is closed, then superposition does not occur.
Both assertion and reason are true and the reason is the correct explanation of assertion.
The correct option is A.

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Similar questions

Read the assertion and reason carefully to mark the correct option out of the options given below :

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

(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.

(d) If the assertion and reason both are false.

(e) If assertion is false but reason is true.

Assertion: Acetic acid does not undergo haloform reaction.

Reason: Acetic acid has no alpha hydrogens.

\to τ = \to r \times \to F b u t \to τ \neq \to F \times \to r .

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