8 Answered Questions for the topic Refraction

06/05/18

Concave Mirror Problems

The famous Chinese magician Foo Ling Yu performs a classic magic trick using a concave mirror with a focal length of 1.6 m. Foo uses the mirror to produce an image of a light bulb that is the same... more

02/24/18

Why isn't the sky violet?

It is said that blue color of our sky is due to its shorter wavelength and it is scattered more than red but violet has the shortest wavelength then why isn't our sky violet.

11/26/17

What is the angle of refraction?

A ray of light traveling through air (refractive index exactly 1.0003) strikes thesurface of a transparent solid (refractive index exactly 2.5) at an incident angle ofexactly 0.7 radians. What is... more

06/20/15

physics refraction help please..

A ray of the light incident on the slab of transparent material is partly reflected from the surface and partly refracted into the slab . The reflected rays are mutually perpendicular .The incident... more

02/09/15

focal length of converging glass lens in water

A converging glass lens (n = 1.52) has a focal length of 40 cm in air. Find its focal length when it is immersed in water, which has an index of refraction: nw = 1.33.

02/08/15

Find the speed of light in glass, the angle of refraction in glass and the critical angle

The index of refraction of glass is 1.5. Find the speed of light in glass, the angle of refraction in glass, if the light is incident from water at an angle of 40°, the critical angle of incidence... more

02/06/15

Find the angle of refraction and the critical angle of incidence

The index of refraction of glass is 1.5. Find the speed of light in glass, the angle of refraction in glass, if the light is incident from water at an angle of 40°, the critical angle of incidence... more

07/09/14

help with refraction

refraction occurs when   a.  a wave strikes and is re-emitted from an object b.  there is a difference in the speed waves   c.  a wave bends around a barrier d.  the crest of one wave overlaps... more

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