MEDIUM
12th ICSE
IMPORTANT
Earn 100

Draw a labelled energy-band diagram for a semiconductor.

Important Questions on Solved Physics Paper-1

EASY
12th ICSE
IMPORTANT
What is meant by Constructive interference?
MEDIUM
12th ICSE
IMPORTANT

Name the process that causes depletion region in p-n junction.

MEDIUM
12th ICSE
IMPORTANT
Find the de Broglie wavelength of electrons moving with a speed of 7×106 ms-1.
MEDIUM
12th ICSE
IMPORTANT
In case of a regular prism, in minimum deviation position, angle made by the refracted ray (inside the prism) with the normal drawn to the refracting surface is:
MEDIUM
12th ICSE
IMPORTANT
In Young’s double slit experiment, what is the effect on fringe pattern if the slits are brought closer to each other?
MEDIUM
12th ICSE
IMPORTANT
Which of the following graphs correctly represents the variation of maximum kinetic energy Ek of photoelectrons with the frequency (𝜈) of the incident radiation?
MEDIUM
12th ICSE
IMPORTANT
In Young’s double slit experiment, what should be the phase difference between the two overlapping waves to obtain 5th dark band/fringe on the screen?