National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 9

Ans 1: (Master Answer)

Class : Class 1
The correct answer is A.

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Subject :NSO    Class : Class 9

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

Ans 2:

Class : Class 9
pay attention to sum of their digits

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9
9.6

Ans 2:

Class : Class 10

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 10
the answer is 12 cm

Ans 2:

Class : Class 9
The answer is 12cm

Ans 3:

Class : Class 9
The answer is 12cm

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 9
When rubbed with fur, glass will become negatively charged. However if silk is used instead of fur, glass will acquire a positive charge.

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Subject :NSO    Class : Class 8

Two electroscope one positively charged (X) and the other negatively charged (Y) are connected with a copper wire as shown in figure. Which of the following will happen?


A Electrons will move from X to Y.
B Protons will move from X to Y.
C Electrons will move from Y to X.
D Protons will move from Y to X.


pls somebody tell me the answersplease,please,pppppppppllllllllllleeeeeeeeeeeeaaaaaaaaaaassssssssssssseeeeeeeee

Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
D

Ans 2:

Class : Class 7
It should be option C. It should be discouraged.

Ans 3:

Class : Class 5
D

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
B

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Subject :NSO    Class : Class 10

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
cONFUSED IN d AND B

Ans 2:

Class : Class 7
B

Ans 3:

Class : Class 7
The answer should be opt.B

Ans 4:

Class : Class 6
b

Ans 5:

Class : Class 5
C is the correct answer

Ans 6:

Class : Class 5

Ans 7:

Class : Class 6
All metal expands on heating. Here metal Y expands more which leads to curling of both X and Y. B is the correct option.

Ans 8:

Class : Class 5
Sumit Singhal , this is a bimetallic metal . Here , the two metals cannot go away from each other . So here , if y expands than x will also expand , and if x expands than y will also expand . I am getting confusion between A and B .

Ans 9:

Class : Class 5
as if we will contract metal x so it is not neccessery that y will contract if we contract metal y x has to be conyracted with it ans should be a

Ans 10:

Class : Class 5

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