Subject :NSO Class : Class 9
A mass of 100 g strikes the wall with speed 5 m/s at an angle as
shown in figure and it rebounds with the same speed. If the contact time is 2 x 10-3 sec, what is the force applied by the wall ?
to right 
to left
Subject :NSO Class : Class 5
Ans 1:
Class : Class 8
Ans is 1 metre as 12/6 =2; 2/2=1
Ans 2:
Class : Class 8
a. 1 m
Ans 3:
Class : Class 7
A
Ans 4:
Class : Class 8
Ans is 1 metre as 12/6 =2; 2/2=1
Post Your Answer
Subject :NSO Class : Class 7
Ans 1:
Class : Class 7
The full form of CNG & LPG isCNG = Compressed natural gas LPG = Liquified (or liquid) petrolium gas
Ans 2:
Class : Class 7
CNG-compressed natural gas
LPG-liquidified petroleum gas
Ans 3:
Class : Class 8
Compressed natural gas and liquid petroleum gas
Ans 4:
Class : Class 8
cng=compressed natural gas
lpg=lquified petrolium gas
Post Your Answer
Subject :NSO Class : Class 2
Ans 1:
Class : Class 2
someone please explain this question
Post Your Answer
Subject :NSO Class : Class 7
Your mother goes to buy a woollen shawl from the market. The shopkeeper takes
out a small strand of yarn from the shawl and burns it. It smells like a burning plastic.
Will it be a good decision to buy this shawl and why?
Ans 1:
Class : Class 7
THE ANSWER IS B AS IN THE BURNING TEST BURNING PLASTIC MEANS THE YARN IS A SYNTHETIC FIBRE
Post Your Answer
Subject :NSO Class : Class 4
Ans 1:
Class : Class 6
I think its 6-9 hours
Ans 2:
Class : Class 4
A- 2 to 4 Hours a day
Post Your Answer
Subject :NSO Class : Class 2
Which of these statements is true for a cat and a giraffe ?Ans 1:
Class : Class 2
B
Post Your Answer
Subject :NSO Class : Class 7
Ans 1:
Class : Class 7
The answer is (d) as liver cannot purify blood.Purifying of blood is done by heart
Post Your Answer
Subject :NSO Class : Class 5
Ans 1:
Class : Class 7
C
Ans 2:
Class : Class 8
(C)
Post Your Answer
Subject :NSO Class : Class 5
Ans 1:
Class : Class 7
C
