Two rotating bodies ( A ) and ( B ) of masses ( m ) and ( 2 m ) with moments of inertia ( I _ { A } ) and ( I _ { B } \left( I _ { B } > I _ { A } \right) ) have equal kinetic energy of rotation. If ( L _ { A } ) and ( L _ { B } ) be their angular momenta respectively, then

Photons with energy 5 eV are incident on a cathode C in a photoelectric cell. The maximum energy of emitted photoelectr…

The interference pattern is obtained with two coherent light sources of intensity ratio \( n \). In the interference pa…

A bar magnet is hung by a thin cotton thread in a uniform horizontal magnetic field and is in equilibrium state. The en…

A parallel- plate capacitor of area \( A \), plate separation \( d \) and capacitance \( C \) is filled with four diele…

An electric dipole is placed at an angle of \( 30 ^ { \circ } \) with an electric field intensity \( 2 \times 10 ^ { 5…

The temperature inside a refrigerator is \( t { 2 } { } ^ { \circ } \mathrm { C } \) and the room temperature is \( \ma…

A bullet of mass 10 g moving horizontally with a velocity of \( 400 \mathrm{m} \mathrm{s}^{-1} \) strikes a wooden bloc…

The highest DDT concentration in aquatic food chain shall occur in

A lake which is rich in organic waste may result in

Match Column-I with Column-II and select the correct option using the codes given below: \begin{tabular} { | l | l | }…