Which of the following device is used to measure humidity?
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Optical fiber works on the principle of -
An Odometer is an instrument used to measure ____ in automobiles.
Assuming that the charge of an electron is 1.6 x 10-19 C, the number of electrons passing through a section of wire per second when the wire carries a current of 1 A is
Rate of work done is _______.
Calculate the frequency (in Hz) of a sound wave of wavelength 5 m travelling with a speed of 360 m/s.
Through which does light travel best?
Which of the following is an example of thermoplastics?
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