#### Question

State the conditions to get constructive and destructive interference of light.

#### Solution

For constructive interference, the path difference should be even multiple of `lambda/2` or phase difference should be 2πn. Where n = 0,1, 2....

For destructive interference, the path difference should be the odd multiple of `lambda/2`

or `(2n - 1)lambda/2` or phase difference should be the odd multiple of π i.e., (2n - 1)π

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#### APPEARS IN

Solution State the Conditions to Get Constructive and Destructive Interference of Light. Concept: Interference of Light.