A small metallic sphere of diameter 2 mm and density 10.5 g/cm³ is dropped in glycerine having viscosity 10 Poise […]
The current passing through a conducting loop in the form of equilateral triangle of side 4√3 cm is 2 A.
Two charges 7 μC and −2 μC are placed at given points in an external electric field. Find the electrostatic
To compare EMF of two cells using potentiometer the balancing lengths obtained are 200 cm and 150 cm. The least
Which of the following pair of nuclei are isobars of the element? Q. Which of the following pair of nuclei
A parallel plate capacitor with plate separation 5 mm is charged by a battery. On introducing a mica sheet of
A body of mass 14 kg initially at rest explodes and breaks into three fragments of masses in the ratio
Suppose a long solenoid carrying alternating current and a conducting loop sliding coaxially through it. Find the rms current induced
The ratio of speeds of electromagnetic waves in vacuum and a medium, having dielectric constant k = 3 and permeability
A paratrooper jumps from an aeroplane and opens a parachute after 2 s of free fall and starts deaccelerating with