National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
option B

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Subject :NSO    Class : Class 8

Consider the following statements regarding the precautions to be taken inside the house during a thunderstorm.
I. No phone calls should be made using a wired phone.
II. Electrical appliances such as lights and fans should be switched off.
III. Bathing with running water should be avoided.
IV. The metal doors should be closed during a thunderstorm.
Among the given statements,

Aonly I is incorrect
Bonly II is correct
Cboth I and III are correct
Dboth II and IV are correct


Ans 1:

Class : Class 8
Running water and phone cable may allow the current to pass.

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8

Ans 2:

Class : Class 6

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
D

Ans 2:

Class :
P. Because water polluted by Industrial waste and farm pesticides will still have pollutants that cannot be cleaned by the water treatment plant.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
Report error

Ans 2:

Class : Class 6
A

Ans 3:

Class : Class 3

Ans 4:

Class : Class 7
The answer should be A.When the object is close to the bulb more light will be diffracted so the image will not be sharp.I have performed this at a lab.

Ans 5:

Class : Class 3
the questions below please give her an appointment on Wednesday morning or Sunday or Friday or Thursday or Wednesday or Tuesday or Monday or Saturday afternoon to be more difficult times that he doesn't say they can't have enough

Ans 6:

Class : Class 6
the answer is A, the shadow is sharp or perfect in shape when close to a screen

Ans 7:

Class : Class 6
Answer is A probably we should complain

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 8
B

Ans 2:

Class : Class 5
Ans is b

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
B) 66

Ans 2:

Class : Class 8
C.72

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
can anyone explain how??really puzzled!

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