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

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.

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

• Meteorites are non luminous objects.
• They can't emit light of their own.
• They need reflection of light to be seen.

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

• Earth is a non luminous object.
• It doesn't emit light for it's own.
• It can be seen due to the sunlight reflects from it's surface and enters into our eyes.

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

• Stars are luminous objects.
• They emit light of their own.
• They can be seen due to emission of light.

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

• Sun is a luminous object.
• Luminous objects can be seen due to there ability to emit light.

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

• The moon has no it's own light , it is a non luminous object.
• The sunlight reflects from it's surface and enters in our eyes to make it visible.

We are able to play mobile games by looking at a cell phone’s screen because ____.

• Mobile phone screen emits light of it's own which makes us able to play games on screen of a cell phone.