Mention any one application of beats.

Mention any one application of LEDs.

What is meant by resonance in a series LCR circuit? Write the expression for the current through LCR series circuit at resonance. Mention any one application of resonant circuits.

Mention any one application of adsorption.

Mention any one application of potentiometer

Mention any one application of pascal's law.

Mention any one application of gamma - ray.

Mention any one application of Kohlrausch law.

Mention any four applications of plant tissue culture.

What is a photoelectric cell? Mention any two applications of photocells.

What is tissue culture ? Mention any four applications.