Terminologies in Reflection

Q.

In the given figure, the relation between angle OPA and angle OPB is

1. angle OPA - angle OPB = 0 degree

2. angle OPA - angle OPB = 90 degree

3. angle OPA - angle OPB = 45 degree

4. angle OPA - angle OPB = 60 degree

Q.

A ray of light after reflection from a mirror is known as

1. reflected ray
2. normal
3. incident ray
4. refracted ray

Q.

In the given figure, OP is

1. Incident ray

2. Reflected ray

3. Normal

4. Emergent ray

Q.

Look at the given figure -

Select the correct option(s) from the following?

1. AO is known as the reflected ray

2. OB is known as the normal

3. ON is known as the normal

4. AO is known as the incident ray

Q.

Differentiate between Incident ray and Reflected ray.

Q.

The ray of light that reaches our eye from the mirror is known as:

1. Reflected ray

2. Normal

3. Incident ray

4. None of the above

Q.

The ray of light that reaches our eye after reflection is known as:

1. Refracted ray

2. Normal ray

3. Incident ray

4. Reflected ray

Q. If the angle of incidence is ${70}^o$, then calculate the angle between the incidence ray and the reflected ray.

1. ${40}^o$
2. ${140}^o$
3. ${130}^o$
4. ${110}^o$

Q. The light ray that reaches our eye after reflection is known as ______.

Q. The change in the path of light after striking a mirror is called

1. reflection
2. shadow
3. refraction
4. displacement

Q. If the angle of reflection is ${60}^o$, the angle made by the reflected ray with the mirror is:

1. ${30}^o$
2. ${60}^o$
3. ${45}^o$
4. ${55}^o$

Q. The change in the path of light after striking a mirror is called

1. shadow
2. reflection
3. displacement
4. refraction

Q. When a beam of light is projected, objects cast a shadow, while objects do not.

1. opaque
2. transparent
3. light
4. heavy

Q. The shadow of a/an object will be more prominent than the shadow of a/an object under the same conditions.

1. opaque
2. translucent
3. light
4. heavy

Q.

Incident ray is defined as:

1. None of the above

2. The ray that is always perpendicular to the reflecting surface

3. The ray that hits the reflecting surface

4. The ray that bounces off the reflecting surface

Q.

In the given figure, $\angle BPO$ is

1. Angle of incidence

2. Angle of deviation

3. Angle of reflection

4. Normal

Q. In the following figure, AP is:

1. Reflected ray
2. Incident ray
3. Angle of reflection
4. Emergent ray