PHY113-2 (Reflection)
Authored by Kim Ibias
Physics
University
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A hemispherical view of a sound wave emitted by a pulsating sphere. The rays are perpendicular to the wave fronts.
True
False
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The incident ray, the reflected ray, and the normal to the surface all lie in the same plane, and the angle of incidence equals the angle of reflection.
True
False
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In diffuse reflection, the reflected rays are parallel to each other.
False
Answer explanation
In specular reflection, the reflected rays are parallel to each other.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A ray of light from the top of the chess piece reflects from the mirror. To the eye, the ray seems to come from behind the mirror.
Because none of the rays actually emanate from the image, it is called a
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the inside surface of the spherical mirror is polished, it is a -. If the outside surface is polished, is it a -.
concave mirror; convex mirror
convex mirror; concave mirror
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The - of the mirror is a straight line drawn through the center and the midpoint of the mirror.
principal axis
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A point on the tree lies on the principal axis of the concave mirror.
Rays from that point that are near the principal axis cross the axis
at the image point.
A point on the tree lies on the principal axis of the concave mirror.
Rays from that point that are farther the principal axis cross the axis
at the image point.
A point on the tree lies on the principal axis of the convex mirror.
Rays from that point that are near the principal axis cross the axis
at the image point.
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