In a hydrogen atom, an electron moves in an orbit of radius 5.0 x 10-11 m with a speed of 2.2 x 106 m/s. What is the equivalent current? (Electronic charge = 1.6 x10-19 C)
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The radius of curvature of a concave mirror is 30 cm. Following Cartesian Sign Convention, its focal length is expressed as
Which of the following is a characteristic of an exothermic reaction?
Which of the following is a Non-Luminous body?
Insulators have resistivity of the order of
A curved mirror where the reflecting surface is curved inwards is called a
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).
A conductor having some appreciable resistance is called a
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