A spring of force constant 15 N/m is cut into two pieces. If the ratio of their length is 1 […]

The electrostatic potential in a charged spherical region of radius r varies as V = ar³ + b Q. The

Potentials of concentric conducting spherical shells Q. There are three co-centric conducting spherical shells A, B and C of radii

Prism with coated surface meeting critical angle at minimum deviation Q. The exit surface of a prism with refractive index

Two electrons moving in hydrogen like atoms – Energy states from speed | JEE Main Q. Two electrons are moving

For all elements, greater the mass of the nucleus, greater is the binding energy per nucleon Q. Given below are

Match the List-I with List-II: Radio wave, Microwave, Infrared wave, X-ray | JEE Main Physics Q. Match the List-I with

A cylindrical block of mass M and area of cross section A is floating in a liquid of density ρ

A brass wire of length 2 m and radius 1 mm at 27°C is held taut between two rigid supports

Two resistors of 100Ω each are connected in series with a 9 V battery Q. Two resistors of 100Ω each