Diffraction and Dispersion Distinction – Rankers Physics
Topic: Wave Optics
Subtopic: Diffraction

Diffraction and Dispersion Distinction

Assertion (A): Diffraction of light is due to dispersion.
Reason (R): Change in path of light around "the corners separates the wavelength of various colours.
 
Both (A) & (R) are true and the (R) is the correct explanation of the (A)
Both (A) & (R) are true but the (R) is not the correct explanation of the (A)
(A) is true but (R) is false
Both (A) and (R) are false

Solution:

Diffraction is the bending of waves around obstacles or through apertures. Dispersion is the phenomenon where a wave's phase velocity depends on its frequency, leading to color separation. These are distinct phenomena. Both assertion and reason are false.

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