Coloured specrtrum is seen,when we look through a muslin cloth.Why?

In these question, a statement of asertion followed by a statement of reason is given .Choose the correct answer out of the following choices: Assertion and reason both are correct statements and reason is correct explanation for assertion. Assertion and reason both are correct statements but reason is not correct explanation for assertion. Assertion is correct statement but reason is wrong statement. Assertion is wrong statement but reason is correct statement. Assertion:Coloured specrum is seen,when we look through a muslin cloth. Reason:It is due to the diffraction of white light on pasing through fine slits.

General instruction same as in chapter 1. Assertion:If we look through a muslin cloth, a coloured spectrum is seen. It is due to diffraction of white light on passing through fine slits.

What colour do yo observe,when white light passes through a blue and yellow filter?

Violet colour is seen at te bottom of the spectrum,when white light is dispersed by a prism.Why?

When a ray of light passes through a glass prism then a spectrum is obtained on the screen Which colour of the spectrum suffers most deviation and which colour the least deviation?

When an electric current is passed through a metallic conductor, heat is produced. Why?