The bending of light when it passes around a corner or a slit is due to ______.
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Sudden fall in the barometric reading is an indication of _______.
What is the phenomenon which established the transverse nature of light ?
The reflector of a search light is a :
A person does some work of 1,000 J in 2 s. His power will be ......
Density of water is maximum at ______.
Where is a transistor most likely to be found ?
Which of the following cannot be used for making lenses?