Delhi Police Constable 28 Nov 2023 Shift 1 Paper

Section: General Knowledge/Current Affairs

© examsiri.com

Question : 5 of 100

Marks: +1, -0

Which of the following is true for light as it travels from air into water?

Its velocity increases.
Its frequency decreases.
Both its wavelength and frequency increases.
Both its wavelength and velocity decrease.

Go to Question:

Prev Question

Next Question