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Assertion (A) : The phase difference bet...

Assertion (A) : The phase difference between any two points on a wave front is zero
Reason (R ) : Light from the source reaches every point of the wave front at the same time

A

Both 'A' and 'R' are true and 'R' is the correct explanation of 'A'

B

Both 'A' and 'R' are true and 'R' is not the correct explanation of 'A'

C

A' is true and 'R' is false

D

A' is false and 'R' is true

Text Solution

Verified by Experts

The correct Answer is:
A
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Knowledge Check

  • Phase difference between any two points of a wavefront is

    A
    `pi`
    B
    `pi//2`
    C
    0
    D
    `pi//4`

  • A: The phase difference between any two points on a wavelength is zero. R:Corresponding to a beam of parallel rays of light the wavefronts, are planes parallel to one another.

    A
    IF both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1).
    B
    If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark(2)
    C
    IF Assertion is true statement but Reason is false then mark(3)
    D
    If both Assertion and Reason are false statements, then mark (4)

  • If path difference between two interfering waves is zero, then the point will be

    A
    dark
    B
    bright
    C
    as it is
    D
    either dark of bright

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    Ray diverging from a point source from a wave front that is

    Assertion: For two sources to be coherent phase difference between two waves at all points should be same. Reason: Two different light sources are never coherent.

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