National Science Olympiad Forum By SOF Olympiad Trainer - Page 184

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5

Ans 2:

Class : Class 7
The answer is S because the more you go near iron nail with the south point it will be the weakest magnet hence, the answer is S

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 1

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 9
option a is wrong.

Ans 2:

Class : Class 10
It should be c. The temperature does not affect the frequency of sound.

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 6

A rectangular block of substance X has a length of 10 cm, breadth 5 cm and height 2 cm. The mass of the block is 0.027 kg. If density of water is 1 g/cm3 then, which of the following statements is correct?

AThe block will float in water as its density is 0.27 g/cm3.
BThe block will sink in water as its density is 2.7 g/cm3.
CThe block will sink in water as its density is 0.027 kg/cm3
DThe block will float in water as its density is 0.0027 g/cm3


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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 1

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8

Ans 2:

Class : Class 6

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7

Ans 2:

Class : Class 7

Ans 3:

Class : Class 8

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