National Science Olympiad Forum By SOF Olympiad Trainer - Page 174

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
B

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Subject :NSO    Class : Class 9

A spring is compressed between two toy carts of masses m1 and m2. When the toy carts are released then spring exerts equal and opposite average force on each for the same time t. Assume that there is no friction between the toy carts and the ground, the velocities of toy carts are

AIn opposite directions but in inverse ratio of their masses
BIn opposite directions but in direct ratio of their masses
CEqual and in opposite direction
DEqual and in same direction.


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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 10

Ans 2:

Class : Class 10
The answer should not be B as there is an area common to animals that live on land and those which live on water but not those which live on both, making it logically wrong.

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Subject :NSO    Class : Class 2

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7

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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 2

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