A curved mirror where the reflecting surface is curved inwards is called a
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Insulators have resistivity of the order of
Which of the following physical quantity measures the rate of work done?
A body of mass 3 kg accelerates from 10 m/s to 20 m/s in 5 seconds due to the application of a force on it. Calculate the magnitude of this force (in N).
The radius of curvature of a concave mirror is 30 cm. Following Cartesian Sign Convention, its focal length is expressed as
___________ is obtained by evaporation of sea.
Bulb is a modification of which part of a plant?
Who has been appointed as the Secretary General of the United Nations in January, 2017?