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81 followers study24x7 15 Jul 2021 03:14 PM study24x7 study24x7

What is the speed of electromagnetic waves in a vacuum?

A

1000 m/s

B

3 x 108 m/s

C

300000 m/s

D

Different for different waves

IIT Entrance Class 12 (PCM) IIT-JEE
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  • Edubabble LLP
    • In vacuum, all electromagnetic waves have the same speed whose value is 299, 792, 458 m/s or nearly equal to 3 x 108 m/s.
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    Reply 15 Jul 2021 03:14 PM
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