National Science Olympiad Forum By SOF Olympiad Trainer

User Forum

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
answer will be b as loudspeakers use electromagents

Ans 2:

Class : Class 6
Loudspeakers use electromagnets so it should be answer b

Ans 3:

Class : Class 6
answer should be b

Ans 4:

Class : Class 6

Ans 5:

Class : Class 6
Loudspeakers use electromagnets, so the answer is option B

Ans 6:

Class : Class 6
The answer is B as loudspeakers use electromagnets and the magnetic field isn't there always .

Ans 7:

Class : Class 7
Don't loudspeakers use electromagnets?

Ans 8:

Class : Class 7
Loudspeakers use electromagnets.

Ans 9:

Class : Class 6
Loudspeakers use electromagnets.So,the answer should be (B)

Ans 10:

Class : Class 6
But all of them use permanent magnets...so D is correct

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
as only the option (D) will be magnetic and the SOFT IRON will act as a keepers

Ans 2:

Class : Class 7

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
Well... I think the answer is B

Ans 2:

Class : Class 4
The answer is B

Ans 3:

Class : Class 6
Ans should be A because tuemeric powder is solid and solids are incompressible. Liquids are also incompressible but the some of the liquid has gone above the end of the piston, which is inside the syringe. Gases are compressible, so the piston easily moves.

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
can I have an explanation please....... plz...plz...plz...

Ans 2:

Class : Class 6
c is the answer

Ans 3:

Class : Class 7
its C acording to me

Ans 4:

Class : Class 6
solution?

Post Your Answer

Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
correct answer is C

Ans 2:

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

Ans 3:

Class : Class 9
I too think correct option is C

Ans 4:

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

Post Your Answer

Subject :NSO    Class : Class 4

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
briany

Ans 2:

Class : Class 5
D

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
B

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
B is the right answer.

Ans 2:

Class : Class 3
The correct answer is B.

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
B . (2.1cm)

Ans 2:

Class : Class 3
B . (2.1cm)

Post Your Answer