GRE Subject Test: Physics › Optics
A beam of light travels through a medium with index of refraction until it reaches an interface with another material, with index of refraction
. No light is transmitted into the second material. At what angle (measured from the plane of the interface between the two materials) does the beam hit the second material?
A reflective sphere has a diameter of . The surface of the sphere makes a convex spherical mirror; what is its focal point?
A beam of light travels through a medium with index of refraction until it reaches an interface with another material, with index of refraction
. No light is transmitted into the second material. At what angle (measured from the plane of the interface between the two materials) does the beam hit the second material?
A candle tall is placed
to the left of a thin convex lens with focal length
. What is the height and orientation of the image created?
A candle tall is placed
to the left of a thin convex lens with focal length
. What is the height and orientation of the image created?
A reflective sphere has a diameter of . The surface of the sphere makes a convex spherical mirror; what is its focal point?
A beam of unpolarized light passes through two linear polarizers whose polarization axes are at an angle theta with each other. The light initially has an intensity , and has an intensity of
after passing through both polarizes. Find
?
A beam of unpolarized light passes through two linear polarizers whose polarization axes are at an angle theta with each other. The light initially has an intensity , and has an intensity of
after passing through both polarizes. Find
?
The focal length of a thin convex lens is . A candle is placed
to the left of the lens. Approximately where is the image of the candle?
The focal length of a thin convex lens is . A candle is placed
to the left of the lens. Approximately where is the image of the candle?