Question

What is Coherent Source ​

Answer 1

$\Huge\underline{\underline{\sf Nmste}}$

Two source are said to be coherent if they emit light of the same wavelength and start phase or have constant phase difference . They are obtained from a single source.

Note : Laser is a source of monochromatic light wave of high degree of coherent

Answer 2

$\huge\bf{Answer:-}$

Refer the attachment.