Sound can not travel in which of the following medium?
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What is the viscosity of an ideal fluid?
Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre?
Find the acceleration (in m/s2) of a body which accelerates from 10 m/s to 20 m/s in 4 seconds.
The unit of which physical quantity is not pascal?
A covex mirror of focal length f (in air) is immersed in a liquid (u=4/3). The focal length of the mirror in the liquid will be :
Unit of impedance is ___________.
The molecular mass of a gas is ________
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