Physics
Draw a ray diagram to show the refraction of a monochromatic ray through a prism when it suffers minimum deviation.
Related Questions
How is the refractive index of a material related to?
(i) real and apparent depth?
(ii) velocity of light in vacuum or air and the velocity of light in a given medium?
State the conditions required for total internal reflection of light to take place.
The human ear can detect continuous sounds in the frequency range from 20 Hz to 20,000 Hz. Assuming that the speed of sound in air is 330 ms-1 for all frequencies, calculate the wavelengths corresponding to the given extreme frequencies of the audible range.
An enemy plane is at a distance of 300 km from a radar. In how much time the radar will be able to detect the plane? Take velocity of radio waves as 3 x 108 m s-1.