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
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Subject :NSO Class : Class 7
Ans 3:
Class : Class 7
The full form of CNG & LPG isCNG = Compressed natural gas LPG = Liquified (or liquid) petrolium gas
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Subject :NSO Class : Class 2
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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
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 2
Which of these statements is true for a cat and a giraffe ?Post Your Answer
Subject :NSO Class : Class 7
Ans 1:
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 5