Refraction
K - University grade
300 times
Physics
66%average accuracy
4 years ago
bhowell
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20 QuestionsShow answers
  • Question 1
    30 seconds
    Q. The velocity of light in vacuum is _______ m/s
    answer choices
    3x108
    3x1012
    3x106
    3x1010
  • Question 2
    30 seconds
    Q. We can see objects because of_______
    answer choices
    reflection
    refraction
    transmission
    diffraction
  • Question 3
    30 seconds
    Q. How does light behave as it enters these mediums?
    answer choices
    continue its path as straight line.
    bends toward the normal
    bends away from the normal
    reflects
  • Question 4
    30 seconds
    Q. Absolute refractive index of any medium is always _______.
    answer choices
    less than 1
    greater than 1
    1
    0
  • Question 5
    30 seconds
    Q. Swimming pools and the ocean look shallower than they really are due to:
    answer choices
    reflection 
    dispersion
    refraction
    total internal reflection
  • Question 6
    30 seconds
    Q. The formula to calculate the refractive index is
    answer choices
    n=cv
    n=v/c
    n=c/v
    v=nc
  • Question 7
    30 seconds
    Q. What is this called?
    answer choices
    refraction
    reflection
    reconstroction
    retraction
  • Question 8
    30 seconds
    Q. According to the Law of reflection, a light ray striking a mirror
    answer choices
    continues moving through the mirror in the same direction
    moves into the mirror at a slightly different angle
    bounces off the mirror toward the direction it came from
    bounces off the mirror at the same angle it hits.
  • Question 9
    120 seconds
    Q. A ray of light traveling from air into crown glass strikes the surface at an angle of 30 degrees. What is the angle of refraction? (air n=1, crown glass n=1.532)
    answer choices
    39.7 degrees
    19.2 degrees
    59.1 degrees
    12.3 degrees
  • Question 10
    30 seconds
    Q. Glass has a _____________ index of refraction than air.
    answer choices
    Equal
    Greater
    Less
    Impossible to say
  • Question 11
    30 seconds
    Q. The fact the two angles are the same is an example of....
    answer choices
    Refraction
    Angle of Incidence
    Law of reflection
    Magnification
  • Question 12
    30 seconds
    Q. Light travels through a liquid at 2.25 EE 8 m/s. What is the index of the liquid?
    answer choices
    1.33
    1.0
    1.523
    2.45
  • Question 13
    120 seconds
    Q. What is the index of refraction of a refractive liquid if the angle of incidence in the air is 35 degrees and the angle of refraction is 14 degrees?
    answer choices
    1.33
    2.21
    2.37
    1.72
  • Question 14
    120 seconds
    Q. If the angle of incidence of light traveling through air, and then striking water is 30 degrees what is the angle of refraction? (n=1 air, n=1.33 water)
    answer choices
    15 degrees
    22 degrees
    43 degrees
    17 degrees
  • Question 15
    30 seconds
    Q. Light has the lowest velocity in which medium?
    flint glass n=1.70
    barium glass n=1.60
    crown glass n=1.523
    water n=1.33
    diamond n=2.45
    answer choices
    diamond
    water
    flint glass
    barium glass
  • Question 16
    30 seconds
    Q. The point where the rays meet is known as....
    answer choices
    Fire
    the focal point
    refraction
    Plane of the lens
  • Question 17
    30 seconds
    Q. The bouncing of light is known as
    answer choices
    Mirror
    Refraction
    Index of refraction
    reflection
  • Question 18
    30 seconds
    Q. What is this image showing?
    answer choices
    Reflection
    Refraction
    The law of reflection
    Concave Mirror
  • Question 19
    60 seconds
    Q. The image formed in a flat mirror is
    answer choices
    larger than the object and farther away.
    reduced and closer to the mirror.
    a real image of the object.
    equal to the height and distance of the object.
  • Question 20
    60 seconds
    Q. Why does the lower part of the child appear so much different in size from the upper part?
    answer choices
    The light rays that travel through water and then into air are refracted.
    The light rays that travel through water and then into air are enlarged.
    The light rays that travel through air and then into water are reflected.
    The light rays that travel through air and then into water are reduced.
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