Question

light enters from air into a glass slab of refractive index 1.50 ? what is the speed of light in glass

Answer 1

HELLO BUDDY❤❤
HERE'S UA ANSWER :
A2A.

Speed of light in air , V1=3×10^8 ms^-1.

Refractive index of air ,R1=1

Refractive index of glass is R2=1.50

When light enters from medium 1 to medium 2, R2/R1=V1/V2

=>1.50=(3×10^8)/V2.

=>V2=2×10^8 ms^-1.
HOPE IT HELPS UH

Answer 2

Speed of light in air , V1=3×10^8 ms^-1.

Refractive index of air ,R1=1

Refractive index of glass is R2=1.50

When light enters from medium 1 to medium 2, R2/R1=V1/V2

=>1.50=(3×10^8)/V2.

=>V2=2×10^8 ms^-1.

HOPE IT HELPS UH

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