If the angle of incidence formed on a concave mirror at a point is 30 deg then the angle of reflection will be
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Electrons move around the nucleus in _______ motion.
Unit of impedance is ___________.
Fuse wire is made of an alloy of
What is the unit of resistance?
Which of the following device is best suited for measuring the temperature inside metallurgical furnaces?
What is the unit of the physical quantity Entropy?
A current I flows through a resistor. A source maintains a potential difference of V across the resistor. The energy supplied by the source in time t is
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