Total Internal Reflection

Front

What happens to light during total internal reflection?

Back

The angle of incidence is greater than the critical angle.

Front

_____ cables transmit beams of light without allowing any of the light to escape until it gets to the end of the cable.

Back

Fiber optic

Front

When angle of incident (i) equals to critical angle (c) if light is traveled from a denser medium to a less dense medium,

Back

angle of refraction is equal to 90 degree.

Front

What is the refractive index of a fibre optic pipe if the critical angle is 30 degrees? Outside is air.

Back

2.0

Front

Which diagram correctly describes the critical angle c for air-water surface? Options: A, B, C, D

Back

D

Front

Which angle is the critical angle for light in the glass? Options: A, B, C, D.

Back

B

Front

The refractive index of a glass prism is 1.9. Determine its critical angle.

Back

32º

Front

see image

Back

C

Front

see image

Back

B

Front

Wavelength of light in diamond when travelling from glass with wavelength 600nm (n of glass = 1.5, n of diamond = 2.4)?

Back

375nm