Questions

A light whose frequency is equal to 6.0 x 10¹⁴ Hz is incident on a metal

A light whose frequency is equal to 6.0 x 10¹⁴ Hz is incident on a metal whose work function is…

The current in the windings of a toroid is 2.0 A. There are 400 turns

The current in the windings of a toroid is 2.0 A. There are 400 turns and the mean circumferential length…

The maximum and minimum magnitudes of the resultant of two vectors

The maximum and minimum magnitudes of the resultant of two vectors are 17 units and 7 units respectively. If these…

A wire mesh consisting of very small squares is viewed at a distance

A wire mesh consisting of very small squares is viewed at a distance of 8 cm through a magnifying converging…

A magnet of length 10 cm and magnetic moment 1 A-m² is placed

A magnet of length 10 cm and magnetic moment 1 A-m² is placed along the side AB of an equilateral…

A lead bullet of 10 gm travelling at 300 m/s strikes against a block

A lead bullet of 10 gm travelling at 300 m/s strikes against a block of wood and comes to rest.…

A calorimeter contains 0.2 kg of water at 30° C. 0.1kg of water at

A calorimeter contains 0.2 kg of water at 30° C. 0.1kg of water at 60° C is added to it.…

A concave mirror ia placed over a beaker containing water of

A concave mirror ia placed over a beaker containing water of (µ = 1.33) and image of the object placed…

Vessel A is filled with hydrogen while vessel B, whose volume is

Vessel A is filled with hydrogen while vessel B, whose volume is twice that of A is filled with the…

In a parallel plate capacitor of capacitance C, a metal sheet is inserted

In a parallel plate capacitor of capacitance C, a metal sheet is inserted between the plates parallel to them, If…