HSC Science Class 12 - Tamil Nadu Board of Secondary Education Question Bank Solutions for Physics

What are the sign conventions followed for lenses?

Arrive at lens equation from lens maker’s formula.

Obtain the equation for lateral magnification for thin lens.

What is power of a lens?

Derive the equation for effective focal length for lenses in contact.

What is diffraction?

Differentiate between Fresnel and Fraunhofer diffraction.

Mention the differences between interference and diffraction.

Discuss the special cases on first minimum in Fraunhofer diffraction.

What is Fresnel’s distance? Obtain the equation for Fresnel’s distance.

What is a diffraction grating?

What is resolution?

What is Rayleigh’s criterion?

Obtain lens maker’s formula and mention its significance.

Derive the equation for thin lens and obtain its magnification.

Derive the equation for effective focal length for lenses in out of contact.

Discuss diffraction at single slit and obtain the condition for n^th minimum.

Discuss the diffraction at a grating and obtain the condition for the mth maximum.

Discuss the experiment to determine the wavelength of monochromatic light using a diffraction grating.

Discuss the experiment to determine the wavelength of different colours using diffraction grating.