Q: A sound wave having frequency of 300 Hz is travelling in an unknown medium. Its wavelength is not known. It travels a distance equal to 150 times its wavelength in time t. The value of t is :
(a)0.5 s
(b)1 s
(c)1.5 s
(d)2 s
Correct Answer: (a)
The correct answer is (a): 0.5 s. Subject: Indian Economy | Sub-topic: General