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PHY113-2 (Reflection)

Authored by Kim Ibias

Physics

University

Used 1+ times

PHY113-2 (Reflection)
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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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

Media Image

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

True

Answer explanation

In specular reflection, the reflected rays are parallel to each other.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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

real image
reflected image
distorted image
virtual image

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.

center point
mirror plane

principal axis

line of reflection

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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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