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Wave Optics — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsWave Optics1 Mark
Question

Assertion :  No interference pattern is detected when two coherent sources are infinitely close to each other.

Reason     : The fringe width is inversely proportional to the distance between the two slits.

(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.

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

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

✓

Answer

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

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