National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4

Ans 2:

Class : Class 2
correct ans is c

Ans 3:

Class : Class 4
Yes correct answer is C.

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 7
Bot STD and Local is used within a country.

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Subject :NSO    Class : Class 9

Ans 1: (Master Answer)

Class : Class 1

B


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Subject :NSO    Class : Class 6

Read the given statements and mark the correct option.
Statement 1 : While fixing a metal rim on a wooden wheel of a cart, the size of the metal rim is kept slightly smaller than that of the wooden wheel.
Statement 2 : Metals expand on heating and contract on cooling.

A Both statements 1 and 2 are true and statement 2 is the correct explanation of
statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true and statement 2 is false.
D Both statements 1 and 2 are false.


metal rim is kept slightly larger than the wheel not smaller

Ans 1:

Class : Class 6
charvi, statement one is true as aafter fixing on wood , matel needs to contract to get tighterhence , the size is slightly smalle than wood

Ans 2:

Class : Class 6
it can be kept both smaller and larger than wheel as metals expand on heating and contract on cooling

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 9

Ans 1: (Master Answer)

Class : Class 1

B


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