Grade 8 Physics Quiz: Reflection of Light

What is the law of reflection?

• The angle of incidence is greater than the angle of reflection

• The angle of incidence is less than the angle of reflection

• The angle of incidence is perpendicular to the angle of reflection

• The angle of incidence is equal to the angle of reflection

State the two main components of the law of reflection.

• Refraction and diffraction

• Speed and velocity

• Frequency and wavelength

• Angle of incidence and angle of reflection

Explain the term 'angle of incidence' in the context of the law of reflection.

• The angle of incidence is the angle between the incident ray and the surface of the object.

• The angle of incidence is the angle between the reflected ray and the normal to the surface at the point of incidence.

• The angle of incidence is the angle between the incident ray and the normal to the surface at the point of incidence.

• The angle of incidence is the angle between the incident ray and the reflected ray.

How does the angle of reflection relate to the angle of incidence?

• The angle of reflection is less than the angle of incidence.

• The angle of reflection is greater than the angle of incidence.

• The angle of reflection is unrelated to the angle of incidence.

• The angle of reflection is equal to the angle of incidence.

Give an example of the law of reflection in everyday life.

• Looking at your shadow on the ground

• Seeing your reflection in a pond

• Watching a movie on a screen

• Looking at your reflection in a mirror

What is a plane mirror?

• A mirror that creates a distorted image

• A mirror that only reflects sound waves

• A mirror that absorbs light instead of reflecting it

• A flat, smooth surface that reflects light without distorting the image.

How does a plane mirror reflect light?

• It absorbs the light and does not reflect it

• It refracts the light instead of reflecting it

• It reflects light at a 90-degree angle

• It reflects light at the same angle as it hits the mirror.

Explain the concept of virtual image in the context of a plane mirror.

• The virtual image in the context of a plane mirror is the image that appears to be on top of the mirror, formed by the reflection of light rays.

• The virtual image in the context of a plane mirror is the image that appears to be to the side of the mirror, formed by the reflection of light rays.

• The virtual image in the context of a plane mirror is the image that appears to be inside the mirror, formed by the reflection of light rays.

• The virtual image in the context of a plane mirror is the image that appears to be behind the mirror, formed by the reflection of light rays.

What are the characteristics of the image formed by a plane mirror?

• Solid, upright, and reduced

• Real, inverted, and magnified

• Transparent, inverted, and enlarged

• Virtual, upright, and laterally inverted

Provide an example of how a plane mirror is used in optical devices.

• Binoculars

• Microscope

• Telescope

• Periscope