Direction: Observe the image given in question and conclude the way in which we see it by choosing one of the phrases given below.

Direction: Observe the image given in question and conclude the way in which we see it by choosing one of the phrases given below.

• The toy cars given in the image are not emitting light for their own so are non luminous objects.

Direction: Observe the image given in question and conclude the way in which we see it by choosing one of the phrases given below.

• As eraser doesn't emit light for it's own so it is a non luminous object.

The toy shown below is _____.

• The given toy is emitting light for it's own so it is a luminous object.

The toy shown below is _____.

• The objects which emit light for their own are called as luminous objects.
• The toy given in the image is emitting light for it's own so it is a luminous object.

A piece of cake is _____.

• The given image of piece of cake is not emitting light for it's own so it is a non luminous object.

Identify the following object as luminous and/or non-luminous.

• The given image showing water which doesn't emit light for it's own so is called as non luminous object.

The objects that emit light of their own are called _____.

• The objects which emit light for their own are known as luminous objects.
• Some examples of luminous objects are moon, burning candle and tube light etc.

Observe the image given in question and conclude the way in which we see it by choosing one of the phrase given below.

Observe the image given in question and conclude the way in which we see it by choosing one of the phrase given below.

Observe the image given in question and conclude the way in which we see it by choosing one of the phrase given below.

Observe the image given in question and conclude the way in which we see it by choosing one of the phrase given below.

Which of the following objects can we see?

We can see objects that _____.

• Luminous objects can be seen due to emission of light.
• Non luminous objects can be seen due to reflection of light.

We can only see non-luminous objects. This statement is ____.

• We can see both luminous as well as non luminous objects.
• Luminous objects can be seen due to emission of light.
• Non luminous objects can be seen due to reflection of light.

The window is ____.

• The window is a non luminous object.
• It needs reflection of light to be seen as it can't emit light of it's own.