EASY
12th ICSE
IMPORTANT
Earn 100

Define angular dispersion.

Important Questions on Solved Physics Paper-1

HARD
12th ICSE
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 22 - Wave Nature of Light : Huygens' Principle>Exercise>Q 17
Using Huygens' wave theory of light, prove Snell's law if refraction of light. 
MEDIUM
12th ICSE
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 22 - Solved Physics Paper-1>Exercise>Q 16
Calculate maximum kinetic energy of photoelectrons emitted by a metal (work function =1.5 eV) when it is illuminated with light of wavelength 198 nm.
MEDIUM
12th ICSE
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 22 - Solved Physics Paper-1>Exercise-Choice>Q 17
Calculate the minimum amount of energy which a gamma ray photon should have for the production of an electron and positron pair.
MEDIUM
12th ICSE
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 22 - Solved Physics Paper-1>Exercise>Q 22

On the basis of Bohr's theory, derive an expression for the radius of the nth orbit of hydrogen atom.

MEDIUM
12th ICSE
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 22 - Solved Physics Paper-1>Exercise>Q 24
Draw the  circuit diagram of a full wave rectifier.
MEDIUM
12th ICSE
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 22 - Solved Physics Paper-1>Exercise>Q 25
Draw labelled graphs showing the input and output voltages of a full-wave rectifier.
MEDIUM
12th ICSE
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 22 - Solved Physics Paper-1>Exercise-Choice>Q 26

Name the diode that emits spontaneous radiation when forward biased.

MEDIUM
12th ICSE
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 22 - Solved Physics Paper-1>Exercise>Q 27
Draw a labelled energy-band diagram for a semiconductor.