MEDIUM
Earn 100

How energy is produced in the sun?

Important Questions on Energy

EASY
Physics>Change>Energy>Sun as Source of Energy

Fill in the blank with a suitable word:

Our shadows are long during _____ (morning/afternoon) and evening.

EASY
Physics>Change>Energy>Sun as Source of Energy
How is a shadow formed?
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Physics>Change>Energy>Sun as Source of Energy
How is a shadow formed?   
EASY
Physics>Change>Energy>Sun as Source of Energy
 What is a shadow? 
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Physics>Change>Energy>Sun as Source of Energy
Shadow is always formed behind the source of light.
EASY
Physics>Change>Energy>Sun as Source of Energy
We need shadows to see objects around us.
EASY
Physics>Change>Energy>Sun as Source of Energy
A ball is kept in front of the following. In which case is a shadow not formed?
EASY
Physics>Change>Energy>Sun as Source of Energy
A shadow is formed on the same side of the source of light.
EASY
Physics>Change>Energy>Sun as Source of Energy
At noon, the shadow formed is shortest.
MEDIUM
Physics>Change>Energy>Sun as Source of Energy

Which of the following pictures correctly shows the tree's shadow?

Question Image

a. Question Image     b. Question Image      c. Question Image        d. Question Image

 

MEDIUM
Physics>Change>Energy>Sun as Source of Energy
Why does the size of the shadow differ throughout the day?
MEDIUM
Physics>Change>Energy>Sun as Source of Energy
Define shadow. How does the length of the shadow change?
EASY
Physics>Change>Energy>Sun as Source of Energy
Shadows can form in the dark.
MEDIUM
Physics>Change>Energy>Sun as Source of Energy
How are shadows formed?
EASY
Physics>Change>Energy>Sun as Source of Energy
The sun casts the _____ (shortest, longest) shadows at the beginning and end of the day.
EASY
Physics>Change>Energy>Sun as Source of Energy
Shadows cannot be formed without light.
EASY
Physics>Change>Energy>Sun as Source of Energy
Cotyledons are also called-
MEDIUM
Physics>Change>Energy>Sun as Source of Energy

Looking at the shadow in the image given, can you say what time of the day it is - beginning of the day, noon or end of the day? How could you say?

                                                                                            Question Image

EASY
Physics>Change>Energy>Sun as Source of Energy
Explain how shadows are formed.
EASY
Physics>Change>Energy>Sun as Source of Energy

Define shadow.