Light CLASS 7 MCQ

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Kerala PSC

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What is light? - a form of energy that travels

Reflection refers ? - bouncing back of light rays

When image is formed on screen with help of mirror,It is called real image? - true

Which tools can be used to separate white light into seven color? - prism

what does a lens do? - Refrect light

Which of the following would reflect most light - mirror

The law of reflection involve two light rays - incident & reflected

when an object block the light. what is formed? - shadow

light travel in straight line until it strike an object. then it can - reflect, refrect, transmit, absorb

How a rainbow formed ? - light ray bend as they pass from air to drop of water.

Light travels along a _________. - Straight Line

Light is a form of _______ - Energy

Speed of light is _______ km/sec. - 300,000

The bounce back of light ray by a polished surface is called ___________. - Reflection

An image that cannot be obtained on a screen is called ________. - Virtual Image

Image formed by a convex _________ is always virtual and smaller in size. - mirror

An image formed by a ________ is always virtual and smaller in size. - Convex

An image which can be obtained on a screen is called a _______ image. - Real

An image formed by a concave __________ cannot be obtained on a screen. - Lens

A virtual image larger than the object can be produced by a - Concave mirror