National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1

B


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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
THE ANSWER C

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
the correct answer will be c

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Subject :NSO    Class : Class 6

Observe the given situation and answer the following questions. Rahul and Ravi are playing in a ground. They start running from the same point X simultaneously in the ground and reach point Y at the same time by following paths marked 1 and 2 respectively, as shown in the figure.


Which of the following is correct statement for the given situation?

A Rahul covers a longer distance with a lower speed.
B Rahul covers a longer distance with a higher speed.
C Rahul and Ravi both cover different distances with same speed.
D Ravi covers a shorter distance with higher speed.


Ans 1: (Master Answer)

Class : Class 1

B

Rahul and Ravi both cover different distances XOY and XY respectively at the same time. It is clear from the figure  that the distance XOY is longer than distance XY .So, the speed of Rahul must be greater than that of Ravi.


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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
Answer is C . As you can see the electrons move from negative termina to positive terminal .the short line of battery shows that it is negative terminal and as you know that rubber is insulator of electricity so the electrons could not pass through bulb b¹.

Ans 2:

Class : Class 3
C

Ans 3:

Class : Class 7

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1

C

Raju's grandfather has weak eyesight and cannot see without spectacles. He has lost his spectacles. So, he cannot read the telegram and newspaper, and he cannot see the visuals on TV. But he can hear the voices on Transistor and TV, and keep himself updated.


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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
the answer could also be nylon

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Subject :NSO    Class : Class 7

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