Question

These waves are traveling at the same speed. Which wave has the highest frequency?

Answer 1

A because they are the tightest 

Answer 2

Answer : Highest frequency = wave A

Explanation :

The number of vibrations per second is called the frequency of the wave and the distance between two consecutive crests or troughs is called the wavelength of the wave.

The relation between the wavelength and the frequency is inverse i.e.

$\nu=\dfrac{v}{\lambda}$

$\nu\propto\dfrac{1}{\lambda}$

It is clear from the given figure that the wave (a) have least wavelength i.e the distance between two crests or troughs is least.

So, the wave (a) will have highest frequency.

Hence, the correct option is wave (a).