National Science Olympiad Forum By SOF Olympiad Trainer - Page 427

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
Elbow joint shows 90 degree hence only option a and c

Ans 2:

Class : Class 8
option D is right.

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
As it is not mentioned whether any specific environment was prepared, assuming it was set in normal environment, the bob's oscillation speed will decrease and time period will thus increase due to air resistance. So shouldn't it be option B?

Ans 2:

Class : Class 8
They have not mentioned whether the pendulum is in perpetual motion(Infinitely oscillates without stopping). Therefore, shouldn't the pendulum eventually stop swinging after a while due to resistance? As the amplitude decreases, the period decreases as it travels less. Therefore, I think the answer should be C.

Ans 3:

Class : Class 7

Ans 4:

Class : Class 7

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4
3spinich is an leafy vegetable

Ans 2:

Class : Class 5

Ans 3:

Class : Class 3
D

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
Yeah

Ans 2:

Class : Class 4
what is the seed of an rose???i have never seen

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