In which year did Ole Romer measure the speed of light for the first time in the history?
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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 bank always has a/an
Calculate the time period (in seconds) of a sound wave of wavelength 5m travelling with a speed of 500 m/s.
Two identical resistors of 20 ohm each are connected in parallel. This combination, in turn, is connected to a 10 ohm resister. The equivalent resistance of the combination will be
The energy released at the end of digestion is in the form of
Inflation exists when
ZIKA virus which causes neurological birth disorders is transmitted by