Subject :NSO Class : Class 3
Subject :NSO Class : Class 6
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Subject :NSO Class : Class 9
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Subject :NSO Class : Class 6
A solid ball is released from the top of a slope as shown in the figure.
What will happen to the ball's kinetic and potential energy as it slips down the slope at a constant speed?
Kinetic energy |
Potential energy |
|
---|---|---|
A | Increases | Decreases |
B | Remains unchanged |
Decreases |
C | Increases | Increases |
D | Remains unchanged |
Remains unchanged |
Ans 1:
Class : Class 6
actually, its given constant speed so b is correct as kinetic energy increases only when the speed increase
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 10
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Subject :NSO Class : Class 5
Study the given Venn diagram.
Which letters in the Venn diagram represent solid, liquid and gas?
Solid | Liquid | Gas | |
---|---|---|---|
A | T | V | S |
B | P | V | R |
C | Q | S | U |
D | P | T | R |
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 9