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

What is meant ny interference of light ? Describe briefly Young's double slit experiment to demonstrate of light.

What is meant by diffraction ?Explain diffraction at a single slit.

What do you mean by diffraction of light? Give one example of this phenomenon. Discuss diffraction of light at single slit.

What is meant by diffraction of light? Show graphically the relative intensity distribution for a single-slit diffraction pattern as a function of sin theta and write the condition for the first secondary minimum of diffraction pattern in terms of path difference .

What is meant by diffraction of light? Write the conditions for maxima and minima of diffraction pattern in terms of the wavelength of light used for the diffraction at single slịt.

What is understood by diffraction of light? In a single slit experiment, if the width of the slit increases, what will be the change of angular width of the central maxima? State Brewster's law.

What is understood by diffraction of light? In a single slit experiment, if the width of the slit increases, what will be the change of angular width of the central maxima? State Brewster's law.

(a) (i) What is meant by diffraction of light? (ii) In Fraunhofer diffraction, what kind of source of light is used and where is it situated ? (b) Obtain the relation, d sin theta= lambda for the first minima of the diffraction pattern of a single slit of width d using light of wavelength lambda .