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Aakash Aakash

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Aakash Aakash
08 Dec 2020 08:18 PM study24x7 study24x7

Light and sound both have same nature.

A

true

B

false

Class 8 Class 9
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Aakash Aakash
08 Dec 2020 11:43 AM study24x7 study24x7

What is the speed of light in Glass(medium) ?

A

3×10^8 m/s

B

2×10^-8 m/s

C

3×10^-8 m/s

D

2×10^8 m/s

Class 8 Class 9
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    Reply 08 Dec 2020 03:59 PM
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