Physics of Everyday Phenomena, 6/e

Light and Image Formation

Mastery Quiz


1	The angle that a reflected light ray makes with the surface normal

		A)	is smaller
		B)	the same size
		C)	greater than the angle that the incident ray makes with the normal

2	The speed of light in glass is

		A)	smaller than
		B)	the same as
		C)	greater than the speed of light in a vacuum

3	The index of refraction is calculated as

		A)	the ratio of the speed of light in the material to that in a vacuum
		B)	the ratio of the speed of light in a vacuum to that in the material
		C)	the product of the speed of light in a vacuum to that in the material
		D)	the square root of the speed of light in the material

4	An image for which the light rays actually intersect at the location of the image is a(n) image



5	An image for which the light rays do not intersect at the location of the image is a(n) image.



6	The variation of the index of refraction of a material with wavelength is called

		A)	reflection
		B)	refraction
		C)	inversion
		D)	dispersion

7	The intersection point for the light rays entering a lens in a path parallel to the axis is called the

		A)	aperture
		B)	surface normal
		C)	focal point
		D)	vertex

8	The magnification, m, is defined in terms of the image distance, i, and the object distance, o, as

		A)	m = i/o
		B)	m = o/i
		C)	m = -i/o
		D)	m = -o/i

9	The focal length of a concave mirror is

		A)	positive
		B)	a negative
		C)	zero
		D)	infinity

10	The focal length of a converging lens is

		A)	positive
		B)	negative
		C)	zero
		D)	infinity

2009 McGraw-Hill Higher Education

Any use is subject to the Terms of Use and Privacy Notice.