Question

The speed of light in glass is approximately ---------- that in air


100 times faster than
100 times slower than
50 per cent faster than
33 percent slower than

Answer 1

Answer on question #52759, Physics, Optics

Question The speed of light in glass is approximately ——– that in air

100 times faster than

100 times slower than

50 per cent faster than

33 percent slower than

Solution The speed of light in glass is approximately 33 percent slower than that in air, because refractive index is approximatively 33 larger then that in air.

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