Q
Assertion: At constant wave velocity, halving the wavelength doubles the frequency. Reason: Velocity = frequency × wavelength. Choose the correct answer.
RRB NTPC (Stage-I)
26/04/2016 (Shift-II)
2016
✓ Answer:
A
Both are true, and the reason correctly explains the assertion
Since f = v/λ, halving λ at fixed v doubles f. The reason therefore explains the assertion.