Q: A sound wave of frequency of 2 kHz has a wavelength of 35 cm in a given medium. How long will it take to travel a distance of 2.1 km through the medium?
(a)30 s
(b)2.1 s
(c)3.0 s
(d)4.1 s
Correct Answer: (c)
The correct answer is (b) '21 s'. This question from the General Studies domain tests knowledge of Miscellaneous.