When an athlete perspires after running, he loses heat th...
When an athlete perspires after running, he loses heat through
Evaporation
Conduction
Radiation
Convection
Correct answer is A
No explanation has been provided for this answer.
Given that v, f and λ are the velocity, frequency and wavelength of a wave respectively. W...
Which of the following distances is usually adjustable in the camera? The distance between the ...
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The period of a 10 kHz radio wave traveling at 108 ms−1 is--...
When table salt is added to ice, the melting point of the ice ...