An echo is returned in 3 s. What is the distance of the reflecting surface from the source, considering the speed of sound as 342 ms-1?
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An amendment of the constitution may be initiated ___
Boiling point of water is ___.
India has designed and developed pilotless target aircrafts named ___ and made successful test flight of its unmanned air vehicle (UAV).
1. Nishant
2. Lakshya
3. Astra
A lens has a power +2.0 D. The type of lens and its focal length will be
What is the heat generated (in J) in a heating element of resistance 800 Ω when a current of 0.2 A passes through it for 40 seconds?
Who designed the world's lightest satellite 'Kalamsat', which NASA launched and set a new world record?
‘Mentor India’ Compaign is an initiative to engage leaders who can guide and mentor students at ‘Atal Tinkering Labs’ across the country. Who launched‘Mentor India’ Campaign?
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