National Science Olympiad Forum By SOF Olympiad Trainer - Page 496

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 6
B .

Ans 2:

Class : Class 9
The answer is B.

Ans 3:

Class : Class 4
Wronged

Ans 4:

Class : Class 3
THE ANS IS B

Ans 5:

Class : Class 3

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4
how C?

Ans 2:

Class : Class 3
the correct answer will be c as if the water will be colder in x so it will boil more late

Ans 3:

Class : Class 4
idiots it's C!!!

Ans 4:

Class : Class 3
c ans

Ans 5:

Class : Class 4
how can it be c ??????????????????????

Ans 6:

Class : Class 6
C . (1and 2 only)

Ans 7:

Class : Class 6
C . (1and 2 only)

Ans 8:

Class : Class 4

Ans 9:

Class : Class 5

Ans 10:

Class : Class 4
Iamnot able to see the picture so i will not able to answer

Ans 11:

Class : Class 5
IT"s d

Ans 12:

Class : Class 6
C . (1and 2 only)

Ans 13:

Class : Class 8

Ans 14:

Class : Class 3
D

Ans 15:

Class : Class 9

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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 9
B because it means ( here ) that orbit will be bigger as a planet is away from sun and, longer distance means long revolution

Ans 2:

Class : Class 9
Who is this Snow White, man!

Ans 3:

Class : Class 8
answer is B

Ans 4:

Class : Class 7
b

Ans 5:

Class : Class 1
Hello Snow White!haha

Ans 6:

Class : Class 1
Any ways,can anyone explain??

Ans 7:

Class : Class 7
Answer is B . If we imagine that the planet X is mercuryAnd planet Y is Mars who will take more time it will be Mercury because it is near to the sun and will revoluteFaster than Mars

Ans 8:

Class : Class 9

Ans 9:

Class : Class 10

Ans 10:

Class : Class 7
Sorry sorry the Mars will take more time who ever isReading my post

Ans 11:

Class : Class 4

Ans 12:

Class : Class 9
Biju Pappachan ... Whom do you address as Snow White ?

Ans 13:

Class : Class 1
Take no offence,Snow White.

Ans 14:

Class : Class 6
B

Ans 15:

Class : Class 7
B is the answer to this question

Ans 16:

Class : Class 6
Answer is B.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2:

Class : Class 5
😓how.????

Ans 3:

Class : Class 5
NA

Ans 4:

Class : Class 3

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Subject :NSO    Class : Class 3

Ans 1:

Class :
D

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 8

Ans 2:

Class : Class 5
You need to specify whether it is a waxing or waning crescent.

Ans 3:

Class : Class 4
you need to specify if waning or waxing crescent

Ans 4:

Class : Class 4
You have to specify if waxing or waning crescent

Ans 5:

Class : Class 4

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 6
The answer should be B as it will be closed circuit

Ans 2:

Class : Class 8
It must be B.The current finds a more direct path to Y, Making it brighter.But the current still reaches X because there is still a path. SOF Says otherwise.

Ans 3:

Class : Class 7
I too am confused as current will also flow through both the bulbs when circuit is closed. It will pass through the switch first and hence lighting up bulb Y.

Ans 4:

Class : Class 9

Ans 5:

Class : Class 9
Yess,my answer was B also

Ans 6:

Class : Class 10
b

Ans 7:

Class : Class 9
yes i too did B

Ans 8:

Class : Class 8
logically it should be B but sof says otherwise. why ????

Ans 9:

Class : Class 8
Please explain it. I am also confused about the answer. I myself did B.

Ans 10:

Class : Class 3
Option D is correct because current prefers the path that offers less resistance. The bulb provides resistance whereas the switch when closed does not. Hence correct answer is D

Ans 11:

Class : Class 8
X will light up... I think it's incorrect....

Ans 12:

Class : Class 7
bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb is correct as current will flow though X but I do feel that current will prefer less resistant path so D can also be correct

Ans 13:

Class : Class 8
The answer is B

Ans 14:

Class : Class 8

Ans 15:

Class : Class 8
The answer key says that X will not light up,but why?

Ans 16:

Class : Class 7
answer should be b because X will also lit up

Ans 17:

Class : Class 10

Ans 18:

Class : Class 4
answer should be B

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