Posted by sweetie on Wednesday, November 24, 2010 at 9:53am.
In your question, it is not clear which angle is being decreased by 15 degrees. If they want you to calculate the angle of refraction for 56-15 = 41 degree incidence, then use Snell's law for the new angle of refraction.
We cannot draw figures for you. You will have to do that yourself.
Related Questions
Physics - Which of the following statements is not true if an incident ray of ...
physics - light travels from ethanol intro crown glass. what's the brewster ...
college physics - A ray of light traveling in air strikes the midpoint of one ...
Physics - The angle between an incident ray and the mirror is 30 degrees What is...
physics - light travels from ethanol intro crown glass. what's the brewster ...
physics - as light passes from air to water vi/vr=4/3 find the angle of ...
Physics - Trace by drawing the path of a ray of light shown in 90 degrees. This ...
Physics - A prism, made of glass of refractive index 1.50, has two plane faces ...
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...
For Further Reading
