Physics Challenge: Nine Medium Difficulty Problems
A curated collection of nine physics problems designed to sharpen your grasp of core concepts without overwhelming you.
Quiz Questions
Answer all questions below and test your knowledge.
- 1
What is the net force on a 5 kg mass accelerating at 2 m/s²?
- 2
Which law explains why a spinning figure skater accelerates when pulling arms inward?
- 3
At what temperature does water reach its maximum density under normal atmospheric pressure?
- 4
What type of electromagnetic wave has the shortest wavelength?
- 5
In the photoelectric effect, increasing the frequency of incident light while keeping intensity constant will...
- 6
Which particle is its own antiparticle?
- 7
A gas expands adiabatically from 2 L to 8 L. If its initial pressure is 3 atm, what is the final pressure assuming γ = 1.4?
- 8
Which principle states that the total entropy of an isolated system can never decrease over time?
- 9
When light passes from air into glass, its speed ...
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