The bending of light when it passes around a corner or a slit is due to ______.
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The power of an earthquake is expressed in terms of a magnitude on a scale called __________ scale.
Sudden fall in the barometric reading is an indication of _______.
The numerical value of a physical quantity is its _______________.
Which one of the following processes is responsible for the glittering of air bubble rising through water?
What is the process of conversion of solid state directly to gaseous state called?
Transformer is a device to convert
The reflector of a search light is a :