# User Forum

Subject :NSO    Class : Class 3

## Ans 1:

Class : Class 3
B

Subject :NSO    Class : Class 3

## Ans 1:

Class : Class 3
D

Subject :NSO    Class : Class 6

## Ans 1:

Class : Class 3

Subject :NSO    Class : Class 3

Subject :NSO    Class : Class 4

## Ans 1:

Class : Class 4

Subject :NSO    Class : Class 8

Class : Class 8

## Ans 2:

Class : Class 8
Please explain what NA is... I don't understand

## Ans 3:

Class : Class 8
What do you mean by 'NA'?

Class : Class 9

## Ans 5:

Class : Class 9

Subject :NSO    Class : Class 3

Subject :NSO    Class : Class 8

## Ans 1:

Class : Class 8
Time taken to utter single syllable=1/5th of a sSpeed of sound in air=330m s^-1 or 330m/sso distance to reflecting surface=1/5 * 330 as that will give the distance=66.0mSo, distance to reflecting surface is 66.0m

Class : Class 8

Class : Class 8

## Ans 4:

Class : Class 8
Can someone please explain this question?

Class : Class 8

## Ans 6:

Class : Class 8

Subject :NSO    Class : Class 4

Class : Class 5

## Ans 2:

Class : Class 5
the answer is d as the mosquito does not look like the parent , has 3 stages of life and lays eggs while frog does not look like the adult , has 4 stages of life and lays eggs .

## Ans 3:

Class : Class 5

Subject :NSO    Class : Class 5

Class : Class 5
ANS A

Class : Class 5