Water has an index of refraction of 1.33. If a plane mirror is submerged in water, what is the angle of reflection if light strikes the mirror at an angle of 30o ?
o because the index of refraction for water is 1.33.o .o because the index of refraction for water is 1.33.o is the critical angle for water.
In the process of reflection, which (perhaps more than one) of the characteristics below will always be the same for the reflected ray as for the incident ray?
In the equation 1/do + 1/di = 1/f which is used for both mirrors and lenses, the parameter f is a negative number if ___.
In the equation 1/do + 1/di = 1/f which is used for both mirrors and lenses, the parameter di is a positive number if ___.
If a real object is placed 25 cm from the vertex of a concave spherical mirror which has a radius of curvature of 30 cm, the image formed will be ___.
If a real object is placed 15 cm from the vertex of a convex spherical mirror with a radius of curvature of 40 cm, the image formed will be ___.
If a real object is placed 30 cm from a concave spherical mirror with a radius of curvature of 20 cm, the image formed will be ___.
When you look at the image of the car behind you in your curved (wide angle) outside rear view mirror, the image you see is ___.
A real, inverted, diminished image of a real object placed a distance x from the vertex of a concave spherical mirror with radius Ro will be formed by the process of reflection ___.
o o < x < Ro /2o /2
Glass has an index of refraction of 1.50. What is the frequency of light that has a wavelength of 500 nm in glass?
14 Hz16 Hz
White light incident on an air/glass interface is split into a spectrum within the glass. Which statement is most accurate?
The index of refraction for water is 1.33 and that for glass is 1.50. A light ray strikes the water/glass boundary with an incident angle of 30.0o on the water side. Which statement is most likely true for its refracted angle in the glass?
o .o .o .o .
Light in air is incident on a prism at an angle of 90o relative to the normal to its surface. The index of refraction of the prism material is 1.50. Which of the following statements is most accurate?
o but less than 45o .o but less than 90o .o .
In the process of refraction, the speed of the refracted light ___ the speed of the incident light.
Light in a transparent medium with index of refraction n1 is incident upon a plane interface with a second medium with index of refraction n2 (< n1 ). The incident light makes a small angle y with the normal to the plane interface. Some of the light is reflected at the interface and some of it is refracted.
The speed of the reflected light is ___ the speed of the refracted light.
Light in a transparent medium with index of refraction n1 is incident upon a plane interface with a second medium with index of refraction n2 (< n1 ). The incident light makes a small angle y with the normal to the plane interface. Some of the light is reflected at the interface and some of it is refracted.
If the angle of incidence is slowly increased, total internal reflection will occur for those values of y such that ___.
y > sin-1 (n2 /n1 )y < sin-1 (n2 /n1 )y < sin-1 (n1 /n2 )y > sin-1 (n1 /n2 )y y
A beam of light in a clear transparent fluid with index of refraction nf = 1.35 encounters a plane interface with a piece of glass with index of refraction ng = 1.40. The angle which the incident beam makes with the normal to the interface is a small angle f .
The speed of light in the fluid is ___ the speed of light in the glass.
A beam of light in a clear transparent fluid with index of refraction nf = 1.35 encounters a plane interface with a piece of glass with index of refraction ng = 1.40. The angle which the incident beam makes with the normal to the interface is a small angle f .
If the angle f was continuously increased, total internal reflection would ___.
f < sin-1 (nf /ng ).f > sin-1 (nf /ng ).f > sin-1 (ng /nf ).f < sin-1 (ng /nf ).f .f .
A real object is placed 10 cm from a converging lens that has a focal length of 6 cm. Which statement is most accurate?
What is the focal length of a lens that forms a virtual image 30 cm from the lens when a real object is placed 15 cm from the lens?
What is the magnification of a lens that forms an image 20 cm to its right when a real object is placed 10 cm to its left?
The image of a real object placed 60 cm from a converging lens with a focal length of 25 cm will be ___.
A real object is placed 10 cm from a diverging lens which has a focal length of 12 cm. The image formed will be ___.
A real object is placed 15 cm from a converging lens which has a focal length of 20 cm. The image formed will be ___.
A real object is placed 20 cm from a converging lens which has a focal length of 15 cm. The image formed will be ___.
The image of a real object placed a distance do from the vertex of a spherical optical device (mirror or lens) will be virtual, erect and diminished when ___.
o > 2fo > fo > 0o > 0
A thin lens made of material with index of refraction 1.40 is converging when used in air having a focal length fo . If used in water, this same lens would be ___.
o o o o o o
A thin lens made of material with index of refraction 1.29 is converging when used in air having a focal length fo . If used in water, this same lens would be ___.
o o o o o o
