Ozone protects biosphere from ___________
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Propagation of sound can be visualised as propagation of _____________ variations in the medium.
Convex and concave mirrors are examples of?
The rate of change of linear momentum of a body is proportional to the ___________ acting on it.
The motion of a freely falling body is an example of ________________________ motion.
Atmospheric pressure is measured by __________.
Bubbles of air rise up through liquids due to
According to the Second Law of Motion, for a given force, acceleration is inversely proportional to the ____ of an object.