JEE Main 2011 Physics — Questions with Solutions

A mass m hangs with the help of a string wrapped around a pulley on a frictionless bearing. The pulley has mass m and r…

A pulley of radius 2 ~m is rotated about its axis by a force F= (20 t-5 t² ) Newton (where t is measured in seconds) ap…

A thin horizontal circular disc is rotating about a vertical axis passing through its centre. An insect is at rest at a…

Two identical charged spheres suspended from a common point by two massless strings of length I are initially a distanc…

The electrostatic potential inside a charged spherical ball is given by φ=α ρ²+b where r is the distance from the centr…

A thermally insulated vessel contains an ideal gas of molecular mass M and ratio of specific heats γ. It is moving with…

Three perfect gases at absolute temperatures T₁, T₂ and T₃ are mixed. The masses of molecules are m₁, m₂ and m₃ and the…

Work done in increasing the size of a soap bubble from a radius of 3 ~cm to 5 ~cm is nearly (Surface tension of soap so…

Water is flowing continuously from a tap having an internal diameter 8 × 10⁻³ ~m. The water velocity as it leaves the t…

A mass M, attached to a horizontal spring, executes S.H.M. with amplitude A₁. When the mass M passes through its mean p…