NEET 2013 Question Paper

A body of mass ′m′ is taken from the earth′s surface to the height equal to twice the radius (R) of the earth. The change in potential energy of body will be :-

A small object of uniform density rolls up a curved surface with an initial velocity ′v′. It reaches upto a maximum height of with respect to the initial position. The object is

The wavelength λe of an electron and λp of a photon of same energy E are related by:

Ratio of longest wavelengths corresponding to Lyman and Balmer series in hydrogen spectrum is:-

A coil is self-inductance L is connected in series with a bulb B and an AC source. Brightness of the bulb decreases when :