Advertisements
Advertisements
Question
Fill in the blank.
The less dark portion of a shadow is called the .................
Advertisements
Solution
The less dark portion of a shadow is called the penumbra.
APPEARS IN
RELATED QUESTIONS
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 the shadow of an opaque object by a point source of light. How is the size of shadow affected if the screen is moved away from the object?
State two differences between an umbra and a penumbra.
Draw a ray diagram to show the formation of umbra alone.
Draw a ray diagram to show the formation of umbra and penumbra both. Label the parts umbra and penumbra in your diagram.
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?
What do we need in order to see a shadow?
What are the parts of shadow?
What are the properties of shadow?
The ______ is the darkest part of a shadow.
The lighter shade of shadow is the ______.
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.
