State three methods of polirizing an unpolarized light

(a) State Faraday’s second law of electrolysis. (b) An electric charge of 9.6 x 10\(^4\) C liberates 1 mole of substance containing 6.0 x 10\(^{23}\) atoms. ...

Explain why mercury does not wet glass while water does.

a) List two properties of cathode rays. (b) Explain how the intensity and energy of cathode rays may be increased

A particle is projected horizontally at 15ms\(^{-1}\) from a height of 20m. Calculate the horizontal distance covered by the particle just before hitting the...

(a) Explain what is meant by cations (b) Draw and label an electrolytic cell

a) Define diffusion. (b) State two applications of electrical conduction through gases.

A particle is dropped from a vertical height \(h\) and falls freely for a time \(t\). With the aid of a sketch, explain how \(h\) varies with (a) \(t\); (b) ...

Explain the following terms: (a) tensile stress; (b)Young’s modulus