National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 6

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Class : Class 6
Bristlecone pine found in Sumatra

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Subject :NSO    Class : Class 6

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Class : Class 6
Pygmy shrew

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

Three different types of materials X, Y and Z were used in the experiment shown below here. In both circuits, the bulbs lighted up.

Another different circuit was set up and three of the materials were placed at three different positions, Q1, Q2 and Q3.

Based on the above circuits, which one of the following is wrong?
Positions in the circuit--- Light bulbs

Q1 Q2 Q3 B1 B2 B3
A X Y Z No Yes No
B Y Z X Yes Yes No
C Z X Y Yes No Yes
D X Z Y No No No


not understanding

Ans 1:

Class : Class 7
Can someone explain it ,please??

Ans 2:

Class : Class 3
And is A since X is insulator it doesn't allow electricityTo pass through so nothing glows

Ans 3:

Class : Class 7
plz answer

Ans 4:

Class : Class 5
someone please explainnnnn

Ans 5:

Class : Class 6
The answer is C as if assume x as a insulator , all other condition satisfy

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
Wrong answer provided . Even the solution says answer d

Ans 2:

Class : Class 7
Option D

Ans 3:

Class : Class 8
Its Option D

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
The correct answer is option B . A compass may be used to find East and west direction . Once you find North and South , by facing north , the right side will be East and left one will be West

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
no volcano had erupted on Venus in the past 2.5 million years so 2 is the only correct option

Ans 2:

Class : Class 6
as per Wikipedia no volcano had erupted on Venus in the past 2.5 million years so 2 is the only correct option

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