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12th Karnataka Board
IMPORTANT
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Draw the circuit symbol for p-n junction diode.

Important Questions on Solved Physics Paper-1

EASY
12th Karnataka Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 15 - Solved Physics Paper-1>Exercise>Q 16
Write any two differences between polar and non-polar molecules.
EASY
12th Karnataka Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 15 - Solved Physics Paper-1>Exercise>Q 17
State ohm's law and write its one limitation.
EASY
12th Karnataka Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 15 - Solved Physics Paper-1>Exercise>Q 18
Define magnetic declination and inclination of the earth.
EASY
12th Karnataka Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 15 - Solved Physics Paper-1>Exercise>Q 19
Draw a typical hysteresis loop for a ferromagnetic material. Mark coercive fields in it.
EASY
12th Karnataka Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 15 - Solved Physics Paper-1>Exercise>Q 20
What is displacement current? Write its expression.
MEDIUM
12th Karnataka Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 15 - Solved Physics Paper-1>Exercise-Choice>Q 21
Write the two conditions for total internal reflection to occur.
MEDIUM
12th Karnataka Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 15 - Solved Physics Paper-1>Exercise-Choice>Q 22
Write any two uses of polaroids.
HARD
12th Karnataka Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 15 - Solved Physics Paper-1>Exercise-Choice>Q 23
Find the potential difference through which an electron be accelerated so that its de Broglie wavelength becomes 0.1227 nm.