Special Relativity
Physics ⇒ Modern Physics
Special Relativity starts at 11 and continues till grade 12.
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See sample questions for grade 12
A clock on a spaceship moving at 0.9c relative to Earth measures 1 hour. How much time passes on Earth?
A muon created in the upper atmosphere travels at 0.995c and reaches the Earth's surface in 20 μs as measured by an observer on Earth. What is the proper time experienced by the muon?
A particle has a rest mass of 2 kg and moves at 0.6c. What is its relativistic mass? (Use m = m0γ)
A particle moves at 0.6c. What is its Lorentz factor (γ)?
A spaceship travels at 0.8c relative to Earth. If 10 years pass on Earth, how much time passes on the spaceship? (Use the time dilation formula: t' = t / γ, where γ = 1 / √(1 - v²/c²))
Define the Lorentz factor (γ) and write its formula.
Describe the twin paradox and explain its resolution.
Describe what is meant by the term 'proper length' in Special Relativity.
Explain the concept of simultaneity in Special Relativity.
Explain why nothing with mass can reach the speed of light according to Special Relativity.
If a rod is 5 m long at rest, what is its length when moving at 0.6c relative to an observer? (Use L = L0√(1 - v²/c²))
If the length of a spaceship is measured as 100 m in its rest frame, what length will an observer measure if the spaceship moves at 0.8c relative to the observer?
State the two fundamental postulates of Special Relativity.
The rest mass of an electron is 9.11 × 10-31 kg. What is its energy equivalent at rest? (Use E = mc2, c = 3.00 × 108 m/s)
What is meant by time dilation in Special Relativity?
What is the main difference between Special Relativity and General Relativity?
What is the significance of the Michelson-Morley experiment in the development of Special Relativity?
Which equation expresses the relationship between energy and mass in Special Relativity?
Who proposed the Special Theory of Relativity?
A particle moves at 0.99c. By what factor does its mass increase compared to its rest mass?
