A sound wave has a frequency of 4 kHz and a wavelength of 40 cm. The time taken by the sound wave to travel a distance of 3.2 km is
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Fuse wire is made of an alloy of
During which of the following operating conditions of an automobile, carbon monoxide content in exhaust gas is maximum?
Humidity is a measure of the _______________.
____________________is a measure of the actual amount of water vapour in a particular sample of air: measured as a partial pressure.
Which of the following is a renewable source of energy?
The motion of a freely falling body is an example of ______________ accelerated motion.
What is the unit of the physical quantity Entropy?
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