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प्रश्न
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 |
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उत्तर
| OPAQ | UE O | BJEC | TS M | AKE | SHAD | OWS |
Opaque objects make shadows.
संबंधित प्रश्न
Select the correct alternative.
Umbra is a region of
Select the correct alternative.
Penumbra is a region of
Draw a ray diagram to show the formation of umbra alone.
State the conditions when only the penumbra of an opaque object is obtained on the screen.
Answer the following.
How is a shadow formed? Write the conditions required for a shadow to form.
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?
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 parts of shadow?
What are the properties of shadow?
What is a shadow? What things are necessary for the formation of a shadow?
The ______ is the darkest part of a shadow.
On a sunny day, does a bird or an aeroplane flying high in the sky cast its shadow on the ground? Under what circumstances can we see their shadow on the ground?
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?
A student had a ball, a screen and a torch in working condition. He tried to form a shadow of the ball on the screen by placing them at different positions. Sometimes the shadow was not obtained. Explain.
