What of the given below devices converts chemical energy to electrical energy?
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Why does a piece of cloth, which appears green in sunlight, appear black when it is viewed under red light?
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
What does the kinetic energy (KE) of a moving body depend upon?
Multiplication of equivalent weight and valency of an element is equal to ______.
Energy possessed by an object by its position or configuration is called
An object of 5.0 kg is raised through a height of 2.0m. The work done in the process is
Which of the following coloured light has the lowest frequency?
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