brodidit for students
Home / Papers / Repeated questions / Class 11 Physics
Class 11 Physics: most repeated questions
These short questions came back in more than one exam. The count is based on 10 past papers from 10 exams (BISE Gujranwala, BISE Multan, 2021 to 2026).
Asked in three or more exams
-
Why would it be advantageous to use blue light with a compound microscope?
Appeared in 5 of 10 exams: 2021, 2022, 2024, 2025.
-
Under what conditions does the addition of two simple harmonic motions produce a resultant which is also simple harmonic?
Appeared in 4 of 10 exams: 2024, 2025, 2026.
-
How should a sound source move with respect to an observer so that the frequency of its sound does not change?
Appeared in 4 of 10 exams: 2022, 2024, 2025.
-
Can we realize an ideal simple pendulum? Explain.
Appeared in 3 of 10 exams: 2022, 2025, 2026.
-
What is relation between total energy, potential energy and kinetic energy of a body executing SHM?
Appeared in 3 of 10 exams: 2021, 2024, 2025.
-
Why is the average velocity of the molecules in a gas zero but the average of the square of velocities is not zero?
Appeared in 3 of 10 exams: 2021, 2022, 2024.
-
The period of simple pendulum is measured by a stopwatch. What type of errors are possible in the time period?
Appeared in 3 of 10 exams: 2025, 2026.
-
A girl drops a cup from a certain height, which breaks into pieces. What energy changes are involved?
Appeared in 3 of 10 exams: 2021, 2026.
-
Can a body rotate about its centre of gravity under the action of its weight?
Appeared in 3 of 10 exams: 2022, 2025.
Asked in two exams
-
Why do we find it useful to have two units for the amount of substance kilogram and mole?
Appeared in 2 of 10 exams: 2024, 2025.
See the papers
-
Explain what is meant by centripetal force and why it must be furnished to an object if the object is to follow a circular path.
Appeared in 2 of 10 exams: 2024, 2025.
See the papers
-
How beats are useful in tuning musical instruments?
Appeared in 2 of 10 exams: 2021, 2025.
See the papers
-
Why does the pressure of gas in car tyre increase when it is driven through some distance?
Appeared in 2 of 10 exams: 2021, 2025.
See the papers
-
Specific heat of a gas at constant pressure is greater than specific heat at constant volume. Why?
Appeared in 2 of 10 exams: 2022, 2025.
See the papers
-
Why sound travel faster in solids then in gases?
Appeared in 2 of 10 exams: 2022, 2025.
See the papers
-
What features do longitudinal waves have in common with transverse wave?
Appeared in 2 of 10 exams: 2024, 2025.
See the papers
-
Why fog droplets appear to be suspended in air?
Appeared in 2 of 10 exams: 2024, 2025.
See the papers
-
An oil film spreading over a wet footpath shows colours, Explain how does it happen?
Appeared in 2 of 10 exams: 2022, 2025.
See the papers
-
Calculate the work done in kilo joules in lifting a mass of 10kg (at a steady velocity) through a vertical height of 10m.
Appeared in 2 of 10 exams: 2021, 2024.
See the papers
-
Why does a diver change his body positions before and after diving in the pool?
Appeared in 2 of 10 exams: 2021, 2022.
See the papers
How these were counted is explained on the repeated questions page. A question that appeared before may not appear again, so revise the whole syllabus. You can also browse the papers and practise chapter questions in the practice section.