41.
Is the speed of light constant as it passes through transparent materials?
Yes, the speed of is always constant
No, light travels at different speeds through different materials
42.
A lens that causes light to diverge is
A converging lens
A diverging lens
Fish-eye lens
43.
An image formed by a magnifying glass is larger than life. The reflected rays of light from the object appear to converge at a location outside of the object. The image formed is a
Real image
Fake image
Virtual image
Mirage
44.
An image formed by rays of light that converge at the location of the object is a
Real image
Fake image
Virtual image
Mirage
Part 10-1
Choose the best answer
(Each question is worth one point)
45.
Huygen's principle suggests that
Wave fronts are composed of only single waves
Wave fronts are composed of many smaller wave fronts
Wave fronts are always the same size
46.
Which wavelength is easiest to diffract?
Long wavelengths (low frequencies)
Short wavelengths (high frequencies)
All wavelengths diffracts just the same
47.
When the crest of one wave aligns with the trough of another wave the result is
Constructive interference
Destructive interference
48.
Two Polaroid filters with their axes at right angles
Transmit all light
Transmit 50% of all incident light
Transmit no light
49.
Holograms are created
Using laser light
Using two sets of wave fronts
By using interference patterns
All of the above
Part 11-1
Choose the best answer
(Each question is worth one point)
50.
An excited atom temporarily has an electron farther from its nucleus. This electron is at
A higher energy level
Lower energy level
Peace with the universe
51.
The frequency of a photon is directly proportional to
Its speed
Its energy
Its wavelength
52.
An emission spectrum can be used to
Create energy
Identify elements
Store energy
Transform elements
53.
The dominant frequency in incandescent light is called
The sharp frequency
The strong frequency
The peak frequency
54.
Dark lines in an absorption spectrum are called
Spectral lines
Silent bands
Absorption lines
Part 12-1
Choose the best answer
(Each question is worth one point)
55.
Radiating energy travels in discrete packages called
Compliments
Photoelectrons
Quanta
Particles
56.
A quanta of light is
A photoelectron
A wave
A photon
A particle
57.
Why does the world appear smooth and continuous rather than grainy as described by quantum physics
The world appears smooth and continuous because we are not sensitive to the small scale microworld of the quanta
The world actually is smooth and continuous
Quantum physics is incorrect
Both b and c
58.
The individual energies of photons vary with
The frequencies of electromagnetic waves present
The number of photons present
59.
The photoelectric effect can be explained
Only in the "light as particles" view of light
Only in the "light as waves" view of light
Neither a or b
60.
The property of interference can be explained
Only in the "light as particles" view of light
Only in the "light as waves" view of light
Neither a or b
2 answers
1 answer