HARD
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What are luminous and non-luminous objects? Give examples.

Important Questions on Light: Shadows and Reflections

EASY

Identify the electronic components from the following symbols. Write any one difference between them.

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EASY
Give two examples of living beings which emit light. 
MEDIUM
Differentiate between luminous and non-luminous objects.
EASY
Which of these is not a source of light?
MEDIUM

Fill in the blank with the most appropriate word given in the bracket.

The Moon shines due to the light of the _____. [star/ sun]

EASY
Does the flame of gas stove emit light? Explain.
EASY
Objects which emit their own light are known as _____ objects.
MEDIUM
What are luminous objects? Name some luminous objects.
MEDIUM
How do you see things which do not give out their own light?
EASY
List a few examples for luminous objects?
EASY
A body which emits light by itself is called a luminous body. 
EASY

The sun and stars are examples of _____ (luminous/ non-luminous) objects.

MEDIUM
Objects that give out light are called
MEDIUM
Give two examples of non-luminous objects.
EASY
State one way of making a non-luminous object to emit light.
EASY

An example of natural source of light is _____.

(Choose from the following: sun/glowing bulb)

EASY

An example of artificial source of light is _____.

(Choose from the following: sun/glowing bulb)