National Science Olympiad Forum By SOF Olympiad Trainer - Page 493

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
The answer is C because the ray would refract and be parallel to incident ray. also the emergent ray cant appear behind the incident ray

Ans 2:

Class : Class 8
I too think the correct ans is C rather than A

Ans 3:

Class : Class 8
yes i think that opt C is correct

Ans 4:

Class : Class 10
I too think correct option is C

Ans 5:

Class : Class 10
It's A.When light travels from a denser to rarer medium,it bends TOWARDS the normal(Check normal in solution).Hence,answer is A.

Ans 6:

Class : Class 6
It is Option C only, as when light travels from denser to rarer medium, it bends away from normal

Ans 7:

Class : Class 8
correct answer is C as the ray would refract if its passing from a rarer to denser medium.

Ans 8:

Class : Class 8
Me too... I also think that the correct option will be C

Ans 9:

Class : Class 9

Ans 10:

Class : Class 9

Ans 11:

Class : Class 6
After checking the Snell's law, I found the answer to be C...But it says the correct answer is A

Ans 12:

Class : Class 9
correct answer is C

Ans 13:

Class : Class 10
answer is C

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5

Ans 2:

Class : Class 5
tg4tg

Ans 3:

Class : Class 4
Ans: C

Ans 4:

Class : Class 4
I GOT 40/40 IN THIS QES. PAPER

Ans 5:

Class : Class 2
Sushree Snehasikta Bhera from Mother's Public school, Odishaclass 4Answer is c as cockroach has three stages in its life cycle and also the young one of the cockroach resembles the adult. The housefly also has three stages in its life cycle and also does not resemble its adult.

Ans 6:

Class : Class 4
c

Ans 7:

Class : Class 4
Shuchi: P is an organism which has three stages in its life cycle. The young one is very similar to its parent.Ritu: Q is an organism which has four stages in its life cycle. The young one is very different from its parent.Now, let’s see which of the following options gives the right identities of Organisms P and Q:

Ans 8:

Class : Class 4

Ans 9:

Class : Class 5
C

Ans 10:

Class : Class 4

Ans 11:

Class : Class 4
Aayansh from mundamarai

Ans 12:

Class : Class 4

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 6
b

Ans 2:

Class : Class 3
B

Ans 3:

Class : Class 7

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
B is the right answer.

Ans 2:

Class : Class 9
The correct answer is B.

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 6
B . (2.1cm)

Ans 2:

Class : Class 3

Ans 3:

Class : Class 6
B . (2.1cm)

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
Answer should be A as 6 x 5 =30

Ans 2:

Class : Class 7
A 30

Ans 3:

Class : Class 5
a

Ans 4:

Class : Class 4

Ans 5:

Class : Class 5
As said in the solution no repeating of same pairs (AB and BA) so 15 is correct.

Ans 6:

Class : Class 4
Answer is A

Ans 7:

Class : Class 5
A

Ans 8:

Class : Class 7
A 30

Ans 9:

Class : Class 8

Ans 10:

Class : Class 4
no repetition of same pairs ( like AB and BA )

Ans 11:

Class : Class 4
the solution is correct as this is not combination this is just simple paring that is converted to handshakes . answer is C

Ans 12:

Class : Class 6

Ans 13:

Class : Class 7
AAAAAAAAAAAAAAAAAAAAAAA = Answer

Ans 14:

Class : Class 7
the correct answer is D

Ans 15:

Class : Class 9
The correct answer is C

Ans 16:

Class : Class 8
C 15

Ans 17:

Class : Class 9
Vighneshwar , Bhavya and Anika can you tell me how the answer is A ??? Why are you telling the wrong answer ???

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
the correct ans is D

Ans 2:

Class : Class 7
D

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 7
answer should be a

Ans 2:

Class : Class 8
please explain

Ans 3:

Class : Class 8

Ans 4:

Class : Class 4
It should be a

Ans 5:

Class : Class 8

Ans 6:

Class : Class 8

Ans 7:

Class : Class 8
Can you explain how it is working

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 10
The correct answer is option B . Clearly , the ligaments hold the bones together at joints and cartilage acts as a cushion that acts as a shock absorbent .

Ans 2:

Class : Class 7
it is nonsense

Ans 3:

Class : Class 7

Ans 4:

Class : Class 10

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