National Science Olympiad Forum By SOF Olympiad Trainer - Page 557

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 9
Hi friend. The ans is (A) amplitude of vibrating body. HOPE THIS HELPS!!!!

Ans 2:

Class : Class 8
The ans is A,B

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 7
as momentum is conserved, m1v=(mi m2)3/2v mi=(m1 m2)3/2 ( mutiply both sides )by rearranging and substituting 3m1=m2 the i got is 9

Ans 2:

Class : Class 4
I AM NOT ABLE TO UNDERSTAND THE SOLUTION

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
It should be C because we always wear woollen clothes when we go to hill stations and any other cold place . The rest all options show summer clothes but option C is a woollen cap.

Ans 2:

Class : Class 7
c

Ans 3:

Class : Class 5
It should be C because we always wear woollen clothes when we go to hill stations and any other cold place . The rest all options show summer clothes but option C is a woollen cap.

Ans 4:

Class : Class 5
It should be C because we always wear woollen clothes when we go to hill stations and any other cold place . The rest all options show summer clothes but option C is a woollen cap.

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Subject :NSO    Class : Class 8

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 6
Ans is B because embankments prevent flooding of fields.

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
Ans is C because Calcium makes our bones and teeth strong.

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8
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Subject :NSO    Class : Class 4

Four different types of matter are put into the syringes as seen in the ‘Before’ diagrams. The opening of each syringe is then covered tightly and the piston is pushed as hard as possible. The results for each syringe are shown in the ‘After’ diagrams.

Which syringe is most likely to have cod liver oil in it?

A Syringe in diagram W
B Syringe in diagram X
C Syringe in diagram Y
D Syringe in diagram Z


can solid be compressed?

Ans 1:

Class : Class 6
I think it is syringe in diagram X.

Ans 2:

Class : Class 7

Ans 3:

Class : Class 5
Answer is D

Ans 4:

Class : Class 6
Alright, so umm seriously the answer should be C also in the question Diagram Y. So, here it is cod liver oil which is semi-liquid = Half liquid and half solid. U can push it a little bit so the answer is C. In the book, it is turmeric powder and the answer is showing B too! I mean powder like seriously. The answer in the book should be D also in the book called Diagram Z. It is POWDER!!!!!!!!!!!!!!!!!!!! Like seriously Powder! They need to understand before writing the question in the book.

Ans 5:

Class : Class 4
LIQIUDS CAN NOT BE COMPRESSED. SO COD LIVER OIL IS IN SYRINGE XXXXXXXX @ RAJVEER

Ans 6:

Class : Class 10
Answer is B solid cannot be compressed

Ans 7:

Class : Class 6
B

Ans 8:

Class : Class 4

Ans 9:

Class : Class 6
Dear friends, the answer is D. There has been an error by the SOF team. Cod liver oil is a liquid, so it will flow out. As diagram Z is showing precisely that, the answer is D.

Ans 10:

Class : Class 4
D

Ans 11:

Class : Class 4
I got it right

Ans 12:

Class : Class 6

Ans 13:

Class : Class 10
Answer is B solid cannot be compressed

Ans 14:

Class : Class 5

Ans 15:

Class : Class 7
the answer is B, you can do the question and see the answer

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Subject :NSO    Class : Class 6

Which of the following is incorrect?

A To increase the magnetic strength, increase the number of strokes while creating magnets.
B To increase the magnetic strength, increase the number of coils around the nail.
C Magnetic force is a pulling force only.
D Magnet may lose its magnetic property when heated to a very high temperature.


all option are correct ,no option is incorrect so they should give one incorrect option.

Ans 1:

Class : Class 6
(C) should be the ans as .IF the like pole meets each other than they will repel each other

Ans 2:

Class : Class 6
c is the answer

Ans 3:

Class : Class 10
pulling force means attracting force

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
It is incorrect as there are six north poles and six south poles present in a magnet if it is broken into six pieces

Ans 2:

Class : Class 8
it is wrong, see 12 is the sum of north and south poles but 6 should be the answer!!

Ans 3:

Class : Class 6

Ans 4:

Class : Class 10

Ans 5:

Class : Class 8

Ans 6:

Class : Class 7
no it is 12 as one piece has two poles so north poles and south poles =6 6=12

Ans 7:

Class : Class 6
it should be 6

Ans 8:

Class : Class 8
IT is not correct .... because they did not ask total number of poles ....it should be A {SIX}

Ans 9:

Class : Class 10
Wrong

Ans 10:

Class : Class 6
a

Ans 11:

Class : Class 10
UTSAV C PATEL from Podar International School SHIVAMOGAClass;It is wrong answer as they did not ask the total number of poles

Ans 12:

Class : Class 6
It is wrong because they did not ask the total number of poles 😏

Ans 13:

Class : Class 6
6 should be answer

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