MEDIUM
9th CBSE
IMPORTANT
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Draw the displacement-time graph for a wave created when a stone is thrown into a pond.

Important Questions on Model Questions for Year-End Examination

EASY
9th CBSE
IMPORTANT
Physics>Chapter 7 - Model Questions for Year-End Examination>Model Questions for Year-End Examination>Q (a)
Define radian. Show that 1 radian =57.3°.
EASY
9th CBSE
IMPORTANT
Physics>Chapter 7 - Model Questions for Year-End Examination>Model Questions for Year-End Examination>Q (d)
Derive the relationship, F=mv-ut, where each symbol has its usual significance.
EASY
9th CBSE
IMPORTANT
Physics>Chapter 7 - Model Questions for Year-End Examination>Model Questions for Year-End Examination>Q (f)
Why does a fielder pull his arms back while trying to stop or catch a cricket ball?
EASY
9th CBSE
IMPORTANT
Physics>Chapter 7 - Model Questions for Year-End Examination>Model Questions for Year-End Examination>Q (j)
Give one example of acceleration in the direction of motion.
MEDIUM
9th CBSE
IMPORTANT
Physics>Chapter 7 - Model Questions for Year-End Examination>Model Questions for Year-End Examination>Q (o)
For a body moving along a circular path, show that linear speed = angular velocity × radius of the circle.
HARD
9th CBSE
IMPORTANT
Physics>Chapter 7 - Model Questions for Year-End Examination>Model Questions for Year-End Examination>Q (t)
In what ways does solar energy get transformed into other forms of energy?
MEDIUM
9th CBSE
IMPORTANT
Physics>Chapter 7 - Model Questions for Year-End Examination>Model Questions for Year-End Examination>Q (a)
For a body moving along a circular path, show that linear speed = angular velocity × radius of the circle.
HARD
9th CBSE
IMPORTANT
Physics>Chapter 7 - Model Questions for Year-End Examination>Model Questions for Year-End Examination>Q (c)
The speed-time graph of an object having a mass of 50 g moving along a straight line path is shown here. Find the force acting on the object.
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