Write down the expression for nuclear radius

A steel ball of radius 1 mm is falling vertically through a tank of oil at 30°C . Write down the expression for resultant force acting on the ball?

i) What is cyclotron? , ii) Write down the expression for cyclotron frequency

Write down the expression for capacitative reactance of a capacitor.

Write down the expression for the capacitance of a spherical capacitor?

Write down the expression for Q value in the case of alpha decay.

A small metal sphere is falling through castor oil. Write down the expression for terminal velocity in terms of coefficient of viscosity.

a mass m is suspended at one end of a spring and the other end of the spring is fimly fixed on the celling. if the mass is slightly depressed and released it will execute oscillation. write down the expression for the frequency of oscillation of the mass.

In an electromagnetic wave, the oscillating electric field having a frequency of 3 * 10^12 Hz and an am plitude of 30 V/m propagates in free space in the positive x-direction Write down the expression to represent the electric field

Write down the uses of ethanol.