§-Quick questions
NSWPhysicsModule 7: The Nature of Light
Quick questions on Special relativity: postulates, time dilation and length contraction, HSC Physics Module 7
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is einstein's two postulates (1905)?Show answer
Special relativity rests on just two postulates:
What is length contraction?Show answer
An object moving at speed along its length is measured to be shorter than its proper length (the length in its rest frame) by:
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