Given a maximum magnetic field gradient of 40 mt/m and magnetic field of 3t, how homogenous must the magnet be (in parts per million) to enable a spatial resolution of 1 mm to be acquired.

The consumption of fossil fuels could be

Unpolarized light of intensity so passes through two sheets of polarizing material whose transmission axes make an angle of 60∘ with each other as shown in the figure. what is the intensity of the transmitted beam, st?

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter