Motion in a Straight Line — Physics STD 11 Science — Question

Sketch the magnetic field lines for a current-carrying circular loop near its centre. Replace the loop by an equivalent magnetic dipole and sketch the magnetic field lines near the centre of the dipole. Identify the difference.

To what angle a cyclist has to bend to negotiate a curved path? Derive an expression.

In Exercise, let us take the position of mass when the spring is unstreched as x = 0, and the direction from left to right as the positive direction of x-axis. Give x as a function of time t for the oscillating mass if at the moment we start the stopwatch (t = 0), the mass is:At the maximum stretched position.
In what way do these functions for SHM differ from each other, in frequency, in amplitude or the initial phase?

If the kinetic energy of a light and heavy body is equal, then whose momentum is less?

Calculate the heat of combustion of coal, when 10 gm of coal, on burning raises the temperature of 2kg of water from 20°C to 55°C.

The vernier scale of a travelling microscope has 50 divisions which coincide with 49 main scale divisions. If each main scale division is 0.5mm, calculate the minimum inaccuracy in the measurement of distance.