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It is found that Ball electromagnetic si...

It is found that Ball electromagnetic signals sent from A towards B reach point C. The speed of electromagnetic signals in glass cannot be.

A

`1.0xx10^(8) ms^(-1)`

B

`2.15xx10^(8) ms^(-1)`

C

`2xx10^7ms^(-1)`

D

`4xx10^7ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
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