Question

Which of the following has maximum speed ?(a) air (b)water current(c)sound (

Answer 1

air because molecules are loosely packed hence obstruction is leas

Answer 2

Question is incomplete. The complete question is :

Which of the following has maximum speed?

(a) air (b) water current (c) sound (d) light

Answer:

In environment, every component has different speed.

Explanation:

Speed of light is maximum as only frequency and wavelength of light changes and speed remain constant while air, water and sound do not have constant speed.

Light carries photons which helps it to travel faster.

Hence, the correct answer is d) light.

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