Posted by **Celina** on Saturday, April 7, 2012 at 4:14pm.

A ray of light enters a glass block from air at an angle of incidence of 50 degrees. The angle of refraction is 30 degrees. What is the refractive index of the glass?

What is the value of critical angle for this glass?

Thank you :)

## Answer This Question

## Related Questions

- Physics - A prism, made of glass of refractive index 1.50, has two plane faces ...
- Physics - Two light rays, one red and one violet, encounter a glass surface. If ...
- Physics HELP PLS!!! - I, for the life of me, cannot figure out this equation: ...
- Physic please help! - Two slabs with parallel faces are made from different ...
- Physics - a ray of light is incident on an air-glass boundary at 30 degrees. The...
- Physics - 1) The speed of light in a certain liquid is 3/5 the speed in a vacuum...
- Physics - 1) The speed of light in a certain liquid is 3/5 the speed in a vacuum...
- Physics - A ray of light of frequency 5.09 x 10^14 Hz passes from air into flint...
- physics - 1)if angle of incidence is 56 and it is decreased by 15 dagree then ...
- math - Snell's law of refraction can be written as sin i = n sin r, where n is ...

More Related Questions