Question

Which of the following is true about light?

I) It is an electromagnetic wave
II) It does not propagates in vacuum
III) Its maximum speed is approximately 3×108 m/s

A) I only

B) I and II only

C) I and III only

D) III only

E) I, II and III

Answer 1

Answer:

the answer is C)

Explanation:

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Answer 2

Answer:

Its maximum speed is approximately 3×10^8 m/s hei to C) I and III only is correct answer

Explanation:

I Hope it's clear