IMAT 2026 · Question 54
WAVES, INTERFERENCE AND OPTICSIMAT 2026 Q541 / 1
Two waves are said to be coherent if:
A
They have the same amplitude
B
The phase difference varies randomly over time
C
Their phase difference remains constant over time
D
They have the same intensity
E
Their wavelength lies in the visible region
Keyboard: A–E to choose, Shift + letter to cross out, Enter to confirm.