National Science Olympiad Forum By SOF Olympiad Trainer - Page 642

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 8
HOW IS b CORRECT ?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

Ans 2:

Class : Class 4

Ans 3:

Class : Class 4

Ans 4:

Class : Class 6
dear sir please give the explanation of the ans to master ans admin revisewise

Ans 5:

Class : Class 4

Ans 6:

Class : Class 4

Ans 7:

Class : Class 4
B IS THE CORRET ANSWER YOU BLIND PERSON

Ans 8: (Master Answer)

Class : Class 1
The correct answer is B.

Ans 9:

Class : Class 6
The correct anwer is B.

Ans 10:

Class : Class 7
The solution is saying

Ans 11:

Class : Class 7
Material B allows 500 percent light through it while material C allows 150 percent light so material B allows more light to pass through it than material C.That’s why answer D is correct.😊

Ans 12:

Class : Class 6
B

Ans 13:

Class : Class 7
The solution is saying it h

Ans 14:

Class : Class 7
2 answers are there🤔🤔

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Subject :NSO    Class : Class 1

Ans 1:

Class : Class 4

Ans 2: (Master Answer)

Class : Class 1
The correct answer is B. The unscrambled word comes out to be HANDPUMP.

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
D . because it is constant and in a specific direction

Ans 2:

Class : Class 7

Ans 3:

Class : Class 8
Answer is the option D

Ans 4:

Class : Class 7
Answer is option D.

Ans 5:

Class : Class 7

Ans 6:

Class : Class 7
D . because it is constant and in a specific direction

Ans 7:

Class : Class 7

Ans 8:

Class : Class 7
Answer is option D

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
b b b b b b b b b b b b b b b b b b b b b b b

Ans 2:

Class : Class 4
A

Ans 3:

Class : Class 8
The answer is D] Bottle opener

Ans 4:

Class : Class 5
the answer is B

Ans 5:

Class : Class 8

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6

Ans 2:

Class : Class 7
iron filings and sand can also be separated from winnowing

Ans 3:

Class : Class 5
Even I feel answer should be option 'B'

Ans 4:

Class : Class 7
pl answer i think the answer will be(i),(iii) and (iv).please check and tel me if im correct

Ans 5:

Class : Class 6
B

Ans 6:

Class : Class 7
checked in google sof gave right answer

Ans 7:

Class : Class 7
The answer is (i) and (iii) because iron filling can be separated by using magnetic separation

Ans 8:

Class : Class 7
No iron fillings and sand are heavy

Ans 9:

Class : Class 5
Because iron fillings and sand can be separated as iron is heavier than sand.

Ans 10:

Class : Class 6
B

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 5

Ans 2: (Master Answer)

Class : Class 1
The correct answer is A.

Ans 3:

Class : Class 9
correct ans is option D because when an object is very close to a concave mirror that is on its focal length, the image formed is magnified , virtual, and laterally inverted.

Ans 4:

Class : Class 8

Ans 5:

Class : Class 8
Why the answer cannot be A and B both i.e. Option D

Ans 6:

Class : Class 7
I think it should be all of the above, even concave mirror shows lateral inversion.

Ans 7:

Class : Class 8
I think it is the option D because when an object is very close to a concave mirror that is its focal length, the image formed is magnified , laterally inverted and virtual .

Ans 8:

Class : Class 7
sorry convex mirror

Ans 9:

Class : Class 8

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Subject :NSO    Class : Class 1

Ans 1:

Class : Class 5
D

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Subject :NSO    Class : Class 1

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Subject :NSO    Class : Class 10

Ans 1:

Class : Class 10
It is because diamonds contain no free electron and hence do not conduct electricity.

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Subject :NSO    Class : Class 5

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