What do you mean by diffraction of light ?

What do you mean by dispersion of light?

What do you mean by polarisation of light ? How will you distinguish between polarised and non polarised light ?

Answer the following questions What do you mean by dispersion of light? What is a spectrum of light ? Name the different colours of light in the proper sequence in the spectrum of white light.

What do you mean by interference of light ?

Explain what is meant by diffraction of light . Describe a simple experiment to demonstrate diffraction at a single slit.

What do you mean by deforming?

What do you mean by earthing?

What do you mean by radius of gyration of a body ? Write dimensions of radious of gyration .

What do you mean by antibiotic ?