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प्रश्न
Fill in the blank.
The less dark portion of a shadow is called the .................
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उत्तर
The less dark portion of a shadow is called the penumbra.
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संबंधित प्रश्न
Fill in the blank.
The darkest portion of a shadow is called the ................
Select the correct alternative.
Umbra is a region of
State two differences between an umbra and a penumbra.
Draw a ray diagram to show the formation of umbra alone.
In the following diagram, draw rays to form umbra on the screen.
Why is it that the birds flying in the sky do not cast their shadow on the earth?
What are the essential conditions for the formation of shadow?
What do we need in order to see a shadow?
Sivarajan placed a meter stick in the playground at 7.00 am in the morning. How will the shadow of the stick at noon look in comparison to the one in the morning
What are the properties of shadow?
Rearrange the boxes given below to make a sentence that helps us understand opaque objects.
| O W S | A K E | O P A Q | U E O | B J E T | T S M |
| S H A D |
______ is always against, opposite side of light source.
The ______ is the darkest part of a shadow.
Which of the following can never form a circular shadow?
A torch is placed at two different positions A and B, one by one, as shown in the following figure.
The shape of the shadow obtained in two positions is shown in the following figure.
Match the position of the torch and shape of the shadow of the ball.
Three identical towels of red, blue and green colour are hanging on a clothes line in the sun. What would be the colour of shadows of these towels?
