National Science Olympiad Forum By SOF Olympiad Trainer - Page 623

User Forum

Subject :NSO    Class : Class 7

Ans 1:

Class : Class 10
OPTION C IS CORRECT ANSWER.

Ans 2:

Class : Class 8
option c

Ans 3:

Class : Class 7
A is the correct answer

Ans 4:

Class : Class 8
Option c is the correct answer, because if at all any cold material is stored in the flask, then the liquid becomes hot due to the heat of the sun. Hence it is used to reflect the radiation from the sun

Ans 5:

Class : Class 7
Option C is the correct answer as the silvered walls of the thermo flask helps the liquid to sustain its form by reflecting the heat by Radiation (Heat that does not need any medium to travel unlike conduction and convection.)

Ans 6:

Class : Class 8
In my opinoin A is corrcect beacuse silvered wall is a solid thing and solid thing get's heat through the process of conduction.

Ans 7:

Class : Class 9

Ans 8:

Class : Class 9
i am not sure if it is A or C

Ans 9:

Class : Class 7
A

Post Your Answer

Subject :NSO    Class : Class 10

Post Your Answer

Subject :NSO    Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
D

Ans 2:

Class : Class 8
Can someone please explain why the answer is A?

Ans 3:

Class : Class 9
It IS A.

Ans 4:

Class : Class 8
D

Ans 5:

Class : Class 9
I don't understand how it is A. Both the wheels move in the same direction. It can't be C as the wheels are moving in the forward direction hence it is none of the above.

Ans 6:

Class : Class 8
How will the bicycle move if one wheel is moving forward and other backward ?

Ans 7:

Class : Class 8

Ans 8:

Class : Class 8
Explain with diagram in the solution.

Ans 9:

Class : Class 9

Post Your Answer

Subject :NSO    Class : Class 4

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
Yes they do.

Ans 2: (Master Answer)

Class : Class 1
Yes!!

Post Your Answer

Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
I will go with A

Ans 2:

Class : Class 7
I will go with A

Ans 3:

Class : Class 9
R

Ans 4:

Class : Class 8
(a)p

Ans 5:

Class : Class 10
R

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B. The pattern is in increasing powers of 5.

Post Your Answer

Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8

Ans 2:

Class : Class 7

Ans 3: (Master Answer)

Class : Class 1
The correct answer is B.

Post Your Answer

Subject :NSO    Class : Class 3

Post Your Answer