Advertisements
Advertisements
प्रश्न
How does light make an object visible?
उत्तर
An object becomes visible to us when the light after striking the object reaches our eyes. Light itself is not visible, but the light makes objects visible to us.
APPEARS IN
संबंधित प्रश्न
What is light? Define it.
What is a transparent medium? Give two examples.
What do we call a substance through which light passes? Give an example of such a substance.
Tick the correct answer.
Substance which don’t allow light to pass through them,
Answer the following.
What is meant by luminous intensity? What is one lumen?
Answer the following.
Differentiate between luminous and non-Luminous objects.
A ______ is a natural source of light.
Light travels only in a______ It is because of this property that______ are formed.
Why are traffic signals red in colour?
A student observes a tree given in Fig. 11.2 through a pin hole camera. Which of the diagrams given in Fig. 11.3 (a) to (d), depicts the image seen by her correctly?
