HSC Science इयत्ता १२ - Tamil Nadu Board of Secondary Education Question Bank Solutions for Physics

How do source and images behave as coherent sources?

What is a bandwidth of interference pattern?

Derive the mirror equation and the equation for lateral magnification.

Derive the equation for refraction at a single spherical surface.

Obtain the equation for resultant intensity due to interference of light.

Explain Young’s double-slit experimental setup and obtain the equation for path difference.

Obtain the equation for bandwidth in Young’s double slit experiment.

Discuss the interference in thin films and obtain the equations for constructive and destructive interference for transmitted and reflected light.

Two independent monochromatic sources cannot act as coherent sources, why?

Does diffraction take place at Young’s double-slit?

In Young’s double slit experiment, the slits are 2 mm apart and are illuminated with a mixture of two wavelength λ₀ = 750 nm and λ = 900 nm. What is the minimum distance from the common central bright fringe on a screen 2 m from the slits where a bright fringe from one interference pattern coincides with a bright fringe from the other?

In Young’s double-slit experiment, 62 fringes are seen in the visible region for sodium light of wavelength 5893 Å. If violet light of wavelength 4359 Å is used in place of sodium light, then what is the number of fringes seen?

The ratio of maximum and minimum intensities in an interference pattern is 36 : 1. What is the ratio of the amplitudes of the two interfering waves?

Light of wavelength 600 nm that falls on a pair of slits producing interference pattern on a screen in which the bright fringes are separated by 7.2 mm. What must be the wavelength of another light which produces bright fringes separated by 8.1 mm with the same apparatus?

If the input to the NOT gate is A = 1011, its output is ____________.

The given electrical network is equivalent to

What are logic gates?

Why are NOR and NAND gates called universal gates?

Give circuit symbol, logical operation, truth table, and Boolean expression of AND gate.

Give circuit symbol, logical operation, truth table, and Boolean expression of OR gate.