National Science Olympiad Forum By SOF Olympiad Trainer - Page 624

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 9
I m

Ans 2:

Class : Class 9
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 3:

Class : Class 9
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 4:

Class : Class 7
ya i bet it is c

Ans 5:

Class : Class 9
I meant option 'D' not option B sorry for the mistake in my arguement

Ans 6:

Class : Class 9

Ans 7:

Class : Class 10
UHHH How answer D???

Ans 8:

Class : Class 9
dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd

Ans 9:

Class : Class 10

Ans 10:

Class : Class 4
ccc

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
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
There is ice water so it doesn't mean that gravity is gone man

Ans 2:

Class : Class 8
answer is D

Ans 3:

Class : Class 5

Ans 4:

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

Ans 5:

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 6:

Class : Class 8
answer is D

Ans 7:

Class : Class 8
answer is D

Ans 8:

Class : Class 5

Ans 9:

Class : Class 9
D

Ans 10:

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 11:

Class : Class 5
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 12: (Master Answer)

Class : Class 1

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2:

Class : Class 3
ans is d!!

Ans 3:

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

Ans 4:

Class : Class 4

Ans 5:

Class : Class 7
D

Ans 6:

Class : Class 4
answer is D

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
B

Ans 2:

Class : Class 6
ANS IS B

Ans 3:

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

Ans 4:

Class : Class 8
it should be opt b

Ans 5:

Class : Class 10
answer is B

Ans 6:

Class : Class 7
correct option will be (B)

Ans 7:

Class : Class 6
b

Ans 8:

Class : Class 9

Ans 9:

Class : Class 7
thank you

Ans 10:

Class : Class 4
b b b b b bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

Ans 11:

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 12:

Class : Class 7
It should be b

Ans 13:

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

Ans 14:

Class : Class 1
ans should be B..

Ans 15:

Class : Class 6
Yes b is correct

Ans 16:

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

Ans 17:

Class : Class 9
request solution

Ans 18:

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

Ans 19:

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

Ans 20:

Class : Class 6
request explanation

Ans 21:

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

Ans 22:

Class : Class 6
Answer is B because if you move towards a mirror ,your image will get bigger.

Ans 23:

Class : Class 9
B

Ans 24:

Class : Class 9
it should be B

Ans 25:

Class : Class 7
The correct answer is B

Ans 26:

Class : Class 3
it is bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbsof please change it quickly

Ans 27:

Class : Class 7

Ans 28:

Class : Class 9
it should be B not C

Ans 29:

Class : Class 7

Ans 30:

Class : Class 9
Answer should be b

Ans 31:

Class : Class 6
bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

Ans 32:

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 33:

Class : Class 7
Answer should be B because if you move towards a mirror ,your image will get bigger.

Ans 34:

Class : Class 6

Ans 35:

Class : Class 10
B is the correct option

Ans 36:

Class : Class 4
its b not c

Ans 37:

Class : Class 6

Ans 38:

Class : Class 7

Ans 39:

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

Ans 40:

Class : Class 9
Bbbbbbbb

Ans 41:

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 42:

Class : Class 6
The answer should be option B.

Ans 43:

Class : Class 8
it should be b

Ans 44:

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

Ans 45:

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 46:

Class : Class 6
b,its b.

Ans 47:

Class : Class 7
B

Ans 48:

Class : Class 7
Ans should be b

Ans 49:

Class : Class 1
the correct answer is b

Ans 50:

Class : Class 1
It should be B!!

Ans 51:

Class : Class 6
ANSWER IS B

Ans 52:

Class : Class 9

Ans 53:

Class : Class 7
answer should be (B)

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
ans : a, in case of option c & d no change of soil fertility in case of option b cyclone do not dissolve soil or rocks in option a saline water can change the soil fertility

Ans 2:

Class : Class 7
a

Ans 3:

Class : Class 7
ans : a, in case of option c & d no change of soil fertility in case of option b cyclone do not dissolve soil or rocks in option a saline water can change the soil fertility

Ans 4:

Class : Class 8

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
no they are not same crater is a depression caused by volcanic eruption or falling of a huge meteorite on the surface of earth

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 5
how can tye answer be c as it says" used for seperating harmful substance for pure one. it can be used as in the case of sea water evaporation is used for seperating salt and water as salty water is harmful.....?????????????/

Ans 2:

Class : Class 5
HOW CAN THE ANSWER BE AS IT SAYS THE " USED FOR

Ans 3:

Class : Class 6
the answer is c

Ans 4:

Class : Class 6
Yes it is showing wrong infoAnswer SHOULD BE C

Ans 5:

Class : Class 7
yes

Ans 6:

Class : Class 7

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Subject :NSO    Class : Class 3

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