LIGHT PHYSICS GRADE 7

Terms related to Reflection of light

• mirror

• bouncing back of light

• transparent glass

• lateral inversion

The incident ray, the reflected ray, and the normal at the _____________ always lie in the same plane.

Mark two things which are always equal

• incident ray

• reflected ray

• angle of incidence

• angle of reflection

Right side of an object appears to be at the left side in its image after reflection , and vice versa, is called____.

• Reflection

• Refraction

• Inversion

• Lateral inversion

Label the diagram

Speed of light in slows down in air and water

• true

• irrelevant

• False

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Mark all the primary colours

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Correct combination of Composite colour

• Blue +Green=Cyan

• Blue + yellow=Green

• Red + magenta= blue

• Red + Green= Yellow

The bouncing back of light from a surface is called

• Refraction of light

• Transmission of light

• Reflection of light

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An object was placed in front of the plane mirror as shown in the given picture. How will its image formed in plane mirror look like ?

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