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FPSC MCQs

Federal Public Service Commission — Complete MCQ Bank

14 Questions
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How to prepare for FPSC

FPSC recruitment tests assess subject knowledge, general ability and job-related competence for federal government positions across Pakistan.

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Read the official syllabus first, then combine subject-specific revision with timed mixed-question practice.
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All Subjects Biology Chemistry Computer Science Current Affairs English Everyday Science General Knowledge Islamic Studies Mathematics Pakistan Studies Physics Physics
11
Physics Medium

Which device converts light energy directly into electrical energy using the photovoltaic effect?

  • AGenerator
  • BTransformer
  • CSolar cell
  • DBattery
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Correct Answer: Option C — Solar cell
Explanation: A solar cell converts light energy directly into electrical energy using the photovoltaic effect when photons knock electrons free in semiconductor materials creating an electric current.
Submitted by: PaperMCQs
12
Physics Medium

Which type of electromagnetic wave has the highest frequency and energy in the spectrum?

  • ARadio waves
  • BX-rays
  • CGamma rays
  • DUltraviolet
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Correct Answer: Option C — Gamma rays
Explanation: Gamma rays have the highest frequency and energy in the electromagnetic spectrum produced by nuclear reactions and radioactive decay and can only be blocked by thick lead or concrete.
Submitted by: PaperMCQs
13
Physics Hard

Which phenomenon describes the bending of light around a massive object predicted by general relativity?

  • AGravitational lensing
  • BRefraction
  • CDiffraction
  • DPolarisation
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Correct Answer: Option A — Gravitational lensing
Explanation: Gravitational lensing occurs when light from a distant source bends around a massive object confirming Einstein's general relativity and first observed during the 1919 solar eclipse.
Submitted by: PaperMCQs
14
Physics Medium

Which scientist developed the theory of general relativity extending special relativity to include gravity?

  • AIsaac Newton
  • BAlbert Einstein
  • CNiels Bohr
  • DMax Planck
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Correct Answer: Option B — Albert Einstein
Explanation: Albert Einstein developed the theory of general relativity in 1915 describing gravity as a curvature of spacetime caused by mass and energy rather than a force between objects.
Submitted by: PaperMCQs
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