Formula for distance is
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Convex and concave mirrors are examples of?
As a sailor jumps in the forward direction, the boat moves backwards. This example illustrates Newton's :
The frequency of direct current is _____________
Rate of work done is _______.
The value of universal gravitation constant (G) was determined by
At what temperature (in Fahrenheit) pure water freezes?
Which of the following device is used to measure humidity?