# User Forum

Subject :NSO    Class : Class 5

## Ans 1:

Class : Class 5
can anyone tell me

Class : Class 5

Class : Class 4
a

Class : Class 5

Class : Class 5

Class : Class 5
haha

Class : Class 5

Class : Class 5

Class : Class 5

## Ans 10:

Class : Class 4

Subject :NSO    Class : Class 7

Class : Class 7
A

## Ans 2:

Class : Class 7
The answer should be C because during the last 10 seconds [ 40 second ] the distance is 10 meter not 5 meter.

Subject :NSO    Class : Class 3

Class : Class 5

## Ans 2:

Class : Class 5
They are right it should be [B] .

## Ans 3:

Class : Class 3
WHAT!!!!!! IT SHOULD BE (A).

Class : Class 3
what????

## Ans 5:

Class : Class 3
It should be a tailorbird

## Ans 6:

Class : Class 4
Tailor bird that is A

Subject :NSO    Class : Class 8

## Ans 1:

Class : Class 10
TBH2VI http://www.LnAJ7K8QSpfMO2wQ8gO.com

Subject :NSO    Class : Class 9

Class : Class 1
Alpha, Beta, Gamma in ascending order.

Alpha particles leaves the nucleus of an unstable atom at a speed of 16,000 kilometres per second, around a tenth the speed of light.
Beta particles travel at a speed of 270,000 kilometres per second, around 98% of speed of light.
Gamma particles travel at the speed of light.

Subject :NSO    Class : Class 4

## Ans 1:

Class : Class 4
All options are WRONG

## Ans 2:

Class : Class 5
I have by mistake typed it Co sorry it will be C. I have a solution we can report error.

Class : Class 4

Class : Class 4

Class : Class 4
all are wrong

## Ans 6:

Class : Class 5
you are right vaibhav all are wrong

## Ans 7:

Class : Class 5
None of the options are correct according to my doubt.

Class : Class 4

## Ans 9:

Class : Class 4
question, answer and solution is wrongall the options are showing the difference on heating

## Ans 10:

Class : Class 4
Qtn. agreed but main point is which is column X and which is column is Y??????

Class : Class 6
option d maybe

Class : Class 4
4wrong question

## Ans 13:

Class : Class 4
Please change it. It is correct in NSO book like Harish Divakar said

Class : Class 4
PLS. CORRECT

## Ans 15:

Class : Class 4
all options are wrong

Class : Class 4

## Ans 17:

Class : Class 5
SHOULD HAVE BEEN SPECIFIC WITH RESPECT TO X AND Y MARKING

## Ans 18:

Class : Class 4
All the answer is wrong. In the NSO book, it is right.

## Ans 19:

Class : Class 5
if an object is cooled down the molecule structure changes from loosely packed to tightly packed. therefore none of the options is correct

Class : Class 4
ALL ARE WRONG

## Ans 21:

Class : Class 4
I also think that.Questions ,options, colums and answers didn't mentioned.

## Ans 22:

Class : Class 4
how can liquid turn into gas by freezing ? Option A does the same thing so the correct option should be D

## Ans 23:

Class : Class 5
The options given are wrong / confusing. Please clarify.

Class : Class 4

## Ans 25:

Class : Class 4
When a substance is cooled the molecules come closer. But there is no picture showing that the molecules are coming closer there is no correct answer. Also option B and C are the same. Can you please change it?

## Ans 26:

Class : Class 4
Please explain the answer. I also support Baibhab that the choices given are wrong.

## Ans 27:

Class : Class 5
B and Co are same. Intermolecular space is not decreasing in any of the situations. It is wrong.

## Ans 28:

Class : Class 4
all options are wrong

## Ans 29:

Class : Class 4
b and c are all the same

## Ans 30:

Class : Class 3
I think all options are wrong

## Ans 31:

Class : Class 4
Are B, C, D correct.

## Ans 32:

Class : Class 4
is there a correction in the options given?if not please clarify with explanation

## Ans 33:

Class : Class 4
Option b, c are the same. Pls give me a proper explanation as to why one option is correct

Class : Class 7

Class : Class 5

## Ans 36:

Class : Class 4
There is no specific details about which one is X or Y.So by common sense I think that it would be D.But B

## Ans 37:

Class : Class 4
all options are wrong

## Ans 38:

Class : Class 4
wrong wrong wrong wrong wrong wrong

## Ans 39:

Class : Class 5
Options are wrong. Molecular distance should be less.

## Ans 40:

Class : Class 5
Can somebody pls answer this question with explanation

## Ans 41:

Class : Class 4
All options are wrong.

## Ans 42:

Class : Class 4
All the options are totally wrong, please change them

## Ans 43:

Class : Class 6
I think al options are wrong . Please tell the correct answer

Class : Class 4

## Ans 45:

Class : Class 4
All are wrong. At least number of atoms should be same. So answer should be D

Class : Class 4
all Q are wrong

## Ans 47:

Class : Class 4
Options are wrong. Molecular distance should be less. first fix which column is X and Y.

## Ans 48:

Class : Class 4

Subject :NSO    Class : Class 4

Class : Class 5
A is correct

Class : Class 6

## Ans 3:

Class : Class 4
AAAAAAAAA IS RIGHT

## Ans 4:

Class : Class 6
I think the Ã¢Â€Â˜AÃ¢Â€Â™ is the right answer

Subject :NSO    Class : Class 2

## Ans 1:

Class : Class 2

Subject :NSO    Class : Class 5

Class : Class 6
4 km

Class : Class 5
4km

## Ans 3:

Class : Class 1
answer will be d 4 kilo meters

## Ans 4:

Class : Class 5

Subject :NSO    Class : Class 9

## Ans 1:

Class : Class 9
SI unit of impluse is Newton

## Ans 2:

Class : Class 10
force=change in momentum/time interval(del t) impulse=change in momentum=force * time interval(del t) SI unit of impulse is newton second or Ns. CGS unit of impulse is dyne second .