Question

The speed of a wave in air is 200 m/s. If the wave length is kept constant and frequency is increased by 50%, the speed of the wave becomes (A) 250 m/s (B) 300 m/s (C) 350 m/s (D) 500 m/s ​

Answer 1

Answer:

(B) 300m/s

Explanation:

Answer is (B) 300m/s

Answer 2

Answer:

250 m/s

I am not sure but I think.