Physics

Plain is the figure of nature

Reflection and refraction found in the mirror.

Heat, light and sound

Sun is the ultimate where everything is found.

Yellow colour is one of the VIBGYOR

Newton's wheel found combination is white, I am sure.

Scale of pH is the indicator of H+ ion

Cation at cathode and anode contains anion.

Intensity is the word found in everywhere

It may be luminous, current or fire.

Conductor is to conduct heat

Insulator is to do the cheat.

South Pole and northpole of magnet

Brownian movement is in tyndal effect.

Sunlight falls on the object

So called as photoelectric effect.