PHYS 2002: Exam 3 PLV Questions With All
Correct & Verified Answers
1. The radial lines pointing outward away from
-rays
the wave source and perpendicular to the
wave fronts are called?
- light vectors
- arrows
- light lines
- rays
2. Which of the following is true at a very far
-The wave fronts
distance from a wave source? reach- ing you form
flat planes,
- The wave fronts reaching you are curved, and the rays and the rays are
parallel to
are not parallel to each other. each other.
- The wave fronts reaching you are curved,
and the rays are parallel to each other.
- The wave fronts reaching you form flat
planes, and the rays are parallel to each
other.
- The wave fronts reaching you form flat
planes, and the rays are not parallel to each
other. - dittuse reflection
3. Light reflecting off of a rough piece of
paper is an example of?
- specular reflection
- reverse reflection
- secondary reflection
- diffuse reflection
4. For specular reflection from a smooth surface, the an- - will be equal
to the angle
, PHYS 2002: Exam 3 PLV Questions With All
Correct & Verified Answers
gle of incidence measured relative to the normal to the of reflection as
measured
surface ... relative to the normal
- will be equal to the angle of reflection as to the surface.
measured relative to the normal to the
surface.
- must always be equal to 90o.
, PHYS 2002: Exam 3 PLV Questions With All
Correct & Verified Answers
- will be unequal to the angle of reflection as
measured relative to the normal to the
surface.
- must always be equal to zero.
- the image is real
5. Which of the following is not a property of
an image formed by a plane mirror?
- The image is reversed from left to right.
- The image is upright with respect to the
object.
- The image is real.
- The image is virtual.
- The image is located as far behind the mirror
as the object is in front. - 55o
6. The figure shows a light ray undergoing
multiple re- flections from a mirrored
corridor. The walls of the corridor are either
parallel or perpendicular to one another. If
the initial angle of incidence is 35o, what is
the angle of reflection (θ) when the ray
makes its last reflection?
- 55o
- 45o
- 35o
- 65o
7. A section of the surface of a hollow sphere has a radius - [+0.3 m
and -0.3 m]
of curvature of 0.60 m, and both the inside and
outside surfaces have a mirror-like finish.
What are the focal lengths of the inside and
Correct & Verified Answers
1. The radial lines pointing outward away from
-rays
the wave source and perpendicular to the
wave fronts are called?
- light vectors
- arrows
- light lines
- rays
2. Which of the following is true at a very far
-The wave fronts
distance from a wave source? reach- ing you form
flat planes,
- The wave fronts reaching you are curved, and the rays and the rays are
parallel to
are not parallel to each other. each other.
- The wave fronts reaching you are curved,
and the rays are parallel to each other.
- The wave fronts reaching you form flat
planes, and the rays are parallel to each
other.
- The wave fronts reaching you form flat
planes, and the rays are not parallel to each
other. - dittuse reflection
3. Light reflecting off of a rough piece of
paper is an example of?
- specular reflection
- reverse reflection
- secondary reflection
- diffuse reflection
4. For specular reflection from a smooth surface, the an- - will be equal
to the angle
, PHYS 2002: Exam 3 PLV Questions With All
Correct & Verified Answers
gle of incidence measured relative to the normal to the of reflection as
measured
surface ... relative to the normal
- will be equal to the angle of reflection as to the surface.
measured relative to the normal to the
surface.
- must always be equal to 90o.
, PHYS 2002: Exam 3 PLV Questions With All
Correct & Verified Answers
- will be unequal to the angle of reflection as
measured relative to the normal to the
surface.
- must always be equal to zero.
- the image is real
5. Which of the following is not a property of
an image formed by a plane mirror?
- The image is reversed from left to right.
- The image is upright with respect to the
object.
- The image is real.
- The image is virtual.
- The image is located as far behind the mirror
as the object is in front. - 55o
6. The figure shows a light ray undergoing
multiple re- flections from a mirrored
corridor. The walls of the corridor are either
parallel or perpendicular to one another. If
the initial angle of incidence is 35o, what is
the angle of reflection (θ) when the ray
makes its last reflection?
- 55o
- 45o
- 35o
- 65o
7. A section of the surface of a hollow sphere has a radius - [+0.3 m
and -0.3 m]
of curvature of 0.60 m, and both the inside and
outside surfaces have a mirror-like finish.
What are the focal lengths of the inside and
