Sound can not travel in which of the following medium?
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What is the SI unit of Power?
What is the SI unit of pressure?
______ is the perpendicular distance between point of application of force and axis of rotation.
For which one of the following, 'Diodes' are generally used for?
Which of the following pairing is incorrect
The material used in electric heater is
Which of the following device is best suited for measuring the temperature inside metallurgical furnaces?