Subject :NSO Class : Class 5
Subject :NSO Class : Class 4
Ans 1:
Class : Class 6
An inventor named ANTONIO MEUCCI had made and patented a device much like the telephone which he called the 'teletrofono' in 1860,but he was so poor that he could not pay the $10 fee to renew his patent,so he lost it.5 years later ALEXANDER GRAHAM BELL who had seen the 'teletrofono' made his own 'teletrofono' which he called as 'telephone'.
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 2
Ans 1:
Class : Class 10
Olympiads are conducted every year and each year's eligibility and performance is independent of previous year. You can very well sit for Olympiads next year even if you did not attempt NSO this year.
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 9
Ans 1:
Class : Class 9
Time will ssllloooww....
Mass and gravity of earth will decrease eventually as they are proportional to each other. But to us it'll appear as if earth's gravity doesn't exist because it is negligible compared to the gravity of the black hole.
Ans 2:
Class : Class 9
the gravity of Earth will remain the same when we will start feeling that our weight is lessened because of the black hole's more greater force and slowly it will eat the Earth also. But thing is that Earth's gravity will start reducing as its mass is reduced. But we will never be there to see the change as we will be sucked in first
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 5