Optics Answers

A light beam is being reflected by using two mirrors, as in a periscope used in submarines. If one of the mirrors rotates
by an angle θ, the reflected light will deviate from its original path by the angle

A man runs towards a mirror at a speed 15 m/s The speed of the image relative to the man is?

An object is placed 10 cm in front of a convex mirror of focal length 4 cm. Find the image location by drawing a ray tracing diagram to scale. Verify your answer using the lens equation.

An object is placed 8 cm in front of a convex lens of focal length 6 cm. Find the image location by drawing a ray tracing diagram to scale. Verify your answer using the lens equation.

An object is placed 10 cm in front of a convex mirror of focal length 4 cm. Find the image location by drawing a ray tracing diagram to scale. Verify your answer using the lens equation

refraction is a measure of the................as wave passes from medium to another

does apparent depth of a tank of water change if viewed obliquely? if so does apparent depth increase or decrease?

A person stands 40 m from a flag pole. With a protractor at eye level, he finds the angle at the top of the flag pole with the horizontal is 25.0 degrees. How high is the flag pole? The distance from his feet to his eyes is 1.8 m.

Sky-light is partially plane polarized. why?

Using a 30,60&90 triangular glass prism of refractive index=1.5 draw the ray diagram if the ray is incident perpendicular on any side.