Physics
GATE PH topic:special-theory-relativity PYQs
Build your understanding with focused practice from past exam papers.
How to practice topic:special-theory-relativity
Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.
Questions 1–2 of 2. Imported answers require independent review unless marked reviewed.
Question 35
Open questionPHNAT1 markNeeds review
A rocket of length 18.0 m is moving at speed 0.9c (where c is the speed of light) parallel to its own length, relative to the earth. The length of the rocket measured in meters by an observer on earth (rounded off to two decimal places) is ____
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Open questionPHMSQ2 marksNeeds review
The energy of a free, relativistic particle of rest mass
moving along the
axis in one dimension, is denoted by
. When moving in a given potential
, its Hamiltonian is
. In the presence of this potential, its speed is
, conjugate momentum
, and the Lagrangian
. Then, which of the following option(s) is/are correct?Your answerSelect all correct options. You can choose more than one.
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