National Science Olympiad Forum By SOF Olympiad Trainer - Page 645

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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

Ans 1:

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

Ans 2:

Class : Class 10
Answer is B solid cannot be compressed

Ans 3:

Class : Class 6
B

Ans 4:

Class : Class 10
Answer is B solid cannot be compressed

Ans 5:

Class : Class 5

Ans 6:

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

Ans 7:

Class : Class 8

Ans 8:

Class : Class 4

Ans 9:

Class : Class 4
I got it right

Ans 10:

Class : Class 6
Answer is D

Ans 11:

Class : Class 3
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 12:

Class : Class 4
D

Ans 13:

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 14:

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

Ans 15:

Class : Class 6

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 10
pulling force means attracting force

Ans 2:

Class : Class 6
c is the answer

Ans 3:

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

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8

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
it should be 6

Ans 4:

Class : Class 6
a

Ans 5:

Class : Class 7
THE ANSWER HOULD BE 6 booooooor

Ans 6:

Class : Class 9
Wrong

Ans 7:

Class : Class 9
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 8:

Class : Class 9
IT is not correct .... because they did not ask total number of poles ....it should be A {SIX}

Ans 9:

Class : Class 6

Ans 10:

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

Ans 11:

Class : Class 6
6 should be answer

Ans 12:

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 13:

Class : Class 10

Ans 14:

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

Ans 15:

Class : Class 6

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7

Ans 2:

Class : Class 8
it has started magnetising from Q SO THATS WHY IT IS TELLING THAT Q WILL BE THE NORTH SEEKING POLE.

Ans 3:

Class : Class 7
it will be P!!!!!!!!!!!!!

Ans 4:

Class : Class 7
In the above process of magnetisation, the magnet makes its first contact with the iron rod on place R, so R would be the North pole of the magnetised iron bar.

Ans 5:

Class : Class 8
The answer is B

Ans 6:

Class : Class 7
The poles are end point of the magnet ,so the north pole should be P.

Ans 7:

Class : Class 6
A IS TH CORRECT ANSWER. In the figure they started stoking the iron piece from point P which is the starting of the iron rod. so the correct answer is A.....

Ans 8:

Class : Class 8
If you clearly notice, the arrow is first coming in contact with Part Q, and the arrow is above in Part P. First, the magnet comes in contact with part Q, so when the iron rod is magnetised, Part Q will be North pole.

Ans 9:

Class : Class 7
Sorry R would be the south pole because of the reason:Q becomes the North pole, and R, where the magnet is lifted becomes the south pole.

Ans 10:

Class : Class 6
As north seeking pole is geographic south pole so R is north seeking pole. so , basically the south pole is the north seeking pole and as the north pole is facing downwards and starting with Q so south pole will be R . Hence, R is the north seeking pole and option C is the correct option.

Ans 11:

Class : Class 10
The magnet first makes contact with Q, so, it is the North Pole of the magnet

Ans 12:

Class : Class 6
The correct answer is (B),Q because the magnetic contact starts on Q and not on P.

Ans 13:

Class : Class 7
The correct answer is (B) because Q is the first point of contact.

Ans 14:

Class : Class 8
B IS A WRONG ANSWER.

Ans 15:

Class : Class 6
AS NORTH POLE INTRODUCED AT Q PART OF THE IRON ROD SO Q WILL BE NORTH POLE.

Ans 16:

Class : Class 9
It should be a

Ans 17:

Class : Class 9
Q or R?????? PLEASE EXPLAIN MASTER ANSWER!

Ans 18:

Class : Class 6
IT WILL BE P!

Ans 19:

Class : Class 9
see the solution the magnet gets in contact with q so it is the correct ans

Ans 20:

Class : Class 9
At first, I also thought that it will be A but if you see the figure closely, you can see that the magnet first comes in contact with point Q, it is rubbed till R and is then lifted at R point. So, Point Q would be the north pole and the point R would be the south pole

Ans 21:

Class : Class 6
N POLE ALWAYS GIVE THAT'S WHY A

Ans 22:

Class : Class 9
Will P be the North Pole or Q? So confusing!!🤔🤔

Ans 23:

Class : Class 7
A

Ans 24:

Class : Class 8
I agree with jigishal

Ans 25:

Class : Class 9
Yes it should be A ......because it is not possible that some of the iron bar is magnet and some is iron ....in the given figure starting of the stroke is point is Q but before that is point P which is starting of the rod so the CORRECT answer is A ..

Ans 26:

Class : Class 6
I didnt understand how it is R, can someone explain? Because according to me, the first point of contact is Q, but maybe that's not how it works....

Ans 27:

Class : Class 7
The answer is P as you can clearly see the iron rod should allow the magnetism to flow like what happens when you chain a nail, even though you are affecting only the top part the whole screw is affected hence proving the answer is wrong

Ans 28:

Class : Class 7
A

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
who knows they will give or not give

Ans 2:

Class : Class 8
It was not there. ;)

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

Ans 2:

Class : Class 5

Ans 3:

Class : Class 7
C

Ans 4:

Class : Class 3
oh I thinked it is (A)

Ans 5:

Class : Class 3
The answer is c

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Subject :NSO    Class : Class 6

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