MEDIUM
12th Rajasthan Board
IMPORTANT
Earn 100

Draw circuit diagram for comparison of emf of two primary cells with the help of potentiometer.

Important Questions on Solved Physics Paper-1

MEDIUM
12th Rajasthan Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 10 - Solved Physics Paper-1>Exercise>Q 22
Derive an expression for electrical potential due to a point charge at a distance r from the charge.
MEDIUM
12th Rajasthan Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 10 - Solved Physics Paper-1>Exercise>Q 23

Calculate the equivalent capacity of the combination of the capacitors between A and B in the given diagram.

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MEDIUM
12th Rajasthan Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 10 - Solved Physics Paper-1>Exercise>Q 25

In the given circuit diagram, find the value of unknown resistance S, in the balancing condition of the meter bridge.

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MEDIUM
12th Rajasthan Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 10 - Solved Physics Paper-1>Exercise>Q 27
Current in a circuit falls from 5 Amp to zero in 0.1 second. If an average e.m.f of 100 volt is induced then calculate self-inductance of inductor in the circuit.
EASY
12th Rajasthan Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 10 - Solved Physics Paper-1>Exercise>Q 28
Define total internal reflection. Write the name of any two phenomenons based on it.
MEDIUM
12th Rajasthan Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 10 - Solved Physics Paper-1>Exercise>Q 29
Write any three differences between primary and secondary rainbow.
MEDIUM
12th Rajasthan Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 10 - Solved Physics Paper-1>Exercise>Q 31
The focal lengths of an objective lens and eyepiece are 192 cm and 8 cm respectively in a telescope. Calculate its magnifying power and the separation between the two lenses.
HARD
12th Rajasthan Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 10 - Solved Physics Paper-1>Exercise>Q 33
In a radioactive sample the numbers of active nuclei remains 6.25% of its initial value in 6 hours. Find the half-life of the radioactive sample.