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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
TBH2VI http://www.LnAJ7K8QSpfMO2wQ8gO.com

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Subject :NSO    Class : Class 9

Ans 1: (Master Answer)

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.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2:

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

Ans 3:

Class : Class 4
if an object is cooled down the molecule structure changes from loosely packed to tightly packed. therefore none of the options is correct

Ans 4:

Class : Class 3
I think all options are wrong

Ans 5:

Class : Class 2
All the answer is wrong. In the NSO book, it is right.

Ans 6:

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 7:

Class : Class 4
all options are wrong

Ans 8:

Class : Class 5
you are right vaibhav all are wrong

Ans 9:

Class : Class 4
All options are WRONG

Ans 10:

Class : Class 4
all Q are wrong

Ans 11:

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

Ans 12:

Class : Class 4
all options are wrong

Ans 13:

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

Ans 14:

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

Ans 15:

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

Ans 16:

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

Ans 17:

Class : Class 5
I think al options are wrong . Please tell the correct answer

Ans 18:

Class : Class 4
b and c are all the same

Ans 19:

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

Ans 20:

Class : Class 4
option d maybe

Ans 21:

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

Ans 22:

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

Ans 23:

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

Ans 24:

Class : Class 2

Ans 25:

Class : Class 4

Ans 26:

Class : Class 5
THE ANSWER IS WRONG.

Ans 27:

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 28:

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

Ans 29:

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

Ans 30:

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

Ans 31:

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

Ans 32:

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

Ans 33:

Class : Class 7
please change the question.

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Subject :NSO    Class : Class 4

Achin conducted an experiment to find out the amount of light that can pass through three different materials, a clear plastic sheet, a cardboard and a piece of tracing paper. All the materials have the same thickness. He shone a torch on the three materials and used a light sensor to measure how much light has passed through each of them. Which of the following graphs most likely shows the amount of light that has passed through each material?

A
B
C
D


Ans 1:

Class : Class 4
AAAAAAAAA IS RIGHT

Ans 2:

Class : Class 5

Ans 3:

Class : Class 5
I think the ‘A’ is the right answer

Ans 4:

Class : Class 3
A is correct

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Subject :NSO    Class : Class 2

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
4km

Ans 2:

Class : Class 1
answer will be d 4 kilo meters

Ans 3:

Class : Class 6
4 km

Ans 4:

Class : Class 5

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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 .

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 5
I think option d is correct

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