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प्रश्न
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.
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उत्तर
A → a; B → b
As the position of torch changes, we can observe the change in shape of shadow.
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संबंधित प्रश्न
Select the correct alternative.
Umbra is a region of
What is a shadow? Give a reason for its formation.
In the following diagram, draw rays to form umbra on the screen.
In the following diagram, draw rays to form a penumbra on the screen.
Why is it that the birds flying in the sky do not cast their shadow on the earth?
Tick the correct answer.
Umbra is a region of
What is shadow?
What is penumbra?
How does the colour of an opaque object affect the colour of the shadow?
What do we need in order to see a shadow?
What are the parts of shadow?
What are the properties of shadow?
______ is always against, opposite side of light source.
The lighter shade of shadow is the ______.
Correct the following statements.
- The colour of the shadow of an object depends on its colour of the object.
- Transparent objects allow light to pass through them partially.
