National Science Olympiad Forum By SOF Olympiad Trainer - Page 680

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 9
Wrong

Ans 2:

Class : Class 6

Ans 3:

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

Ans 4:

Class : Class 6
it should be 6

Ans 5:

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

Ans 6:

Class : Class 8

Ans 7:

Class :
a

Ans 8:

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 9:

Class : Class 10

Ans 10:

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 11:

Class : Class 7
THE ANSWER HOULD BE 6 booooooor

Ans 12:

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

Ans 13:

Class : Class 6

Ans 14:

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

Ans 15:

Class : Class 6
6 should be answer

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 9
It should be a

Ans 2:

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 3:

Class : Class 6
IT WILL BE P!

Ans 4:

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

Ans 5:

Class : Class 7
A

Ans 6:

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

Ans 7:

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

Ans 8:

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

Ans 9:

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 10:

Class : Class 7
A

Ans 11:

Class : Class 8
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 12:

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

Ans 13:

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 14:

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 15:

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

Ans 16:

Class : Class 7

Ans 17:

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

Ans 18:

Class :
N POLE ALWAYS GIVE THAT'S WHY A

Ans 19:

Class : Class 8
B IS A WRONG ANSWER.

Ans 20:

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

Ans 21:

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 22:

Class : Class 8
I agree with jigishal

Ans 23:

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 24:

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 25:

Class : Class 8
The answer is B

Ans 26:

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

Ans 27:

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

Ans 28:

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.

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Subject :NSO    Class : Class 5

Ans 1:

Class :
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:

Class : Class 8
C

Ans 2:

Class : Class 3
The answer is c

Ans 3: (Master Answer)

Class :
The correct answer is C.

Ans 4:

Class : Class 5

Ans 5:

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

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 10

Ans 2:

Class : Class 10
If the filament of bulb Q is fused then the circuit is not being completed because the electrons won't be able to reach the positive terminal as they would be stopped by the broken filament and electricity won't be able to pass through the filament to the negative terminal and due to the two cases that a circuit has to be completed for electricity to move and second one given it is proven that option 'B' is the correct option instead of 'A' 'C' or ' D'

Ans 3:

Class : Class 7
ya i bet it is c

Ans 4:

Class : Class 10
I meant option 'D' not option B sorry for the mistake in my arguement

Ans 5:

Class : Class 10
UHHH How answer D???

Ans 6:

Class : Class 10
answer should be c as the wire is connecting to p and r ALSO IF THE FILAMENT IS BROKEN ONLY Q CAN NOT LIGHT UP.

Ans 7:

Class : Class 4
ccc

Ans 8:

Class : Class 10
I m

Ans 9:

Class : Class 10
dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd

Ans 10:

Class : Class 9

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Subject :NSO    Class : Class 6

Ans 1:

Class :
i also want to know the same question

Ans 2:

Class : Class 8
I feel it is not decreasing but increasing so answer will be a

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 8
answer is D

Ans 2:

Class : Class 6
Due to the cooling effect of ice water, the air in the U-tube contracts, due to which the red ink X and Y move downwards.

Ans 3:

Class : Class 8
answer is D

Ans 4:

Class : Class 8
There is ice water so it doesn't mean that gravity is gone man

Ans 5:

Class : Class 6
answer is d because due to the incoming air because of cold water if the water was hot then the ink drops would move up

Ans 6:

Class : Class 9
D

Ans 7: (Master Answer)

Class :

Ans 8:

Class :
i had this correct but sof result is showing correct answer is d and i have writen d. BAD MALFUNCTION AND NEGATIVE MARKING IS THERE

Ans 9:

Class : Class 8
Due to gravity, both will move downwards, so the correct answer is d

Ans 10:

Class : Class 6

Ans 11:

Class : Class 5

Ans 12:

Class : Class 8
answer is D

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 3
ans is d!!

Ans 2:

Class : Class 4
answer is D

Ans 3:

Class : Class 4

Ans 4:

Class : Class 3
ans should be a coz liver only secretes bile which digests fats not pancreas

Ans 5:

Class :

Ans 6:

Class : Class 7
D

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7

Ans 2:

Class : Class 7

Ans 3:

Class : Class 6
answer is b,because the size of the image increases when we move towards it

Ans 4:

Class : Class 6
request explanation

Ans 5:

Class : Class 4
its b not c

Ans 6:

Class : Class 7

Ans 7:

Class : Class 7
Ans should be b

Ans 8:

Class : Class 6
bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb!!!!!!!!!!!!!!!!!!

Ans 9:

Class : Class 8
The correct answer is B

Ans 10:

Class : Class 3
In the case of a plane mirror, the size of the image is equal to the size of the object, irrespective of the distance of the object from the mirror

Ans 11:

Class : Class 6

Ans 12:

Class : Class 9
it should be B not C

Ans 13:

Class : Class 9
Bbbbbbbb

Ans 14:

Class : Class 9
it should be B....

Ans 15:

Class : Class 6
ANS IS B

Ans 16:

Class : Class 6
Yes b is correct

Ans 17:

Class : Class 6

Ans 18:

Class : Class 9
The correct option is b as if we will move towards mirror our image formed will increase in size paulette don't know the answer

Ans 19:

Class : Class 9
it should be B

Ans 20:

Class : Class 7
thank you

Ans 21:

Class : Class 6
The answer should be option B.

Ans 22:

Class : Class 1
I THINK THERE IS SOME ISSUE FROM THE WEBSITE. ANS SHOULD BE B

Ans 23:

Class : Class 9
correct option will be (B)

Ans 24:

Class : Class 9
B

Ans 25:

Class : Class 8
it should be b

Ans 26:

Class : Class 9

Ans 27:

Class : Class 9
Answer should be b

Ans 28:

Class :
It should be b

Ans 29:

Class : Class 6
ANSWER IS B

Ans 30:

Class : Class 8
it should be opt b

Ans 31:

Class : Class 4
b b b b b bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

Ans 32:

Class : Class 8
It should be c. try the experiment.

Ans 33:

Class : Class 1
ans should be B..

Ans 34:

Class : Class 8
Hello There....I have answered test.....Answer is CSolution:The image formed in the plane mirror is always of the same size as that of the object.

Ans 35:

Class : Class 10
request solution

Ans 36:

Class : Class 7
B

Ans 37:

Class : Class 7
Parth Wave your hand towards the mirror you silly!

Ans 38:

Class : Class 6
b

Ans 39:

Class :
Answer is B because if you move towards a mirror ,your image will get bigger.

Ans 40:

Class :
Answer should be B because if you move towards a mirror ,your image will get bigger.

Ans 41:

Class : Class 7
B

Ans 42:

Class : Class 3
it is bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbsof please change it quickly

Ans 43:

Class : Class 7
C is correct as the girl is not seeing the image. If you play or know Minecraft, you can be like in the spectator mode and if you have a mirror mod, then you will see the mob with the same size of the image whether it is near or not.

Ans 44:

Class : Class 10
B is the correct option

Ans 45:

Class : Class 7
It is just a printing mistake. It happens with many questions and the correct answer is option B.

Ans 46:

Class : Class 6
come on who made this tests answer key go look at your mirror its b

Ans 47:

Class : Class 7
answer should be (B)

Ans 48:

Class : Class 1
It should be B!!

Ans 49:

Class : Class 9

Ans 50:

Class : Class 6
b,its b.

Ans 51:

Class : Class 10
answer is B

Ans 52:

Class : Class 1
the correct answer is b

Ans 53:

Class : Class 6
bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

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