Physics, asked by drsunitakumari1980, 4 months ago

sketch the a path you would the light ray to follow on entering and exiting the glass block draw in the to normal lines where the light strikes its surface ​

Answers

Answered by jaiyantchoudhary864
0

Explanation:

Perimter=sum of all lengths of sides of triangle

⇒ Perimeter =3a {a= side of triangle }

⇒45=3a

⇒a=15cm.

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