Physics BS Physics 5 Semester/Term GCUF — Government College University Faisalabad 2024

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Ayesha Mustafa· 2 days ago

BS ZOOLOGY first semester Animal diversity ZOOL 101 - university of Punjab 2025

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Abubakar· 3 days ago

Literary criticism

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Guest· 3 days ago

this paper consists of 60 marks but now we have 35 marks paper.

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Annie· 4 days ago

Can you please tell me more past papers please because my exams are starting from next week

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Ahmed· 8 days ago

Did you provide the past papers of the science of society uos?

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Govt. College UNIVERSITY, FAISALABAD

External Semester Examinations Fall-2024-2025

Roll No.:

Degree: BS Physics Semester: 5th Marks: 80

Part: Subjective Course Title: Relativity & Cosmology Course Code: PHY-509

Note: Attempt all questions. All the questions carry equal marks. Time allowed: 2:30 Hours

Q # 2: Derive the Lorentz transformation equations by considering the constancy of speed of light. (20)

Q # 3: Define the postulates of special theory of relativity by differentiating inertial and non-inertial

reference frames. Also explain the nature of Earth's reference frame? (20)

Q # 4: What is principle of equivalence and illustrate the prediction of General theory of relativity

about bending of light under gravity for gravitational lensing. (20)

Q # 5: Write a note on stellar evolution including protostar, red giant, white dwarf, Chandasekhar limit,

neutron star and black hole. (20)