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FPSC MCQs

Federal Public Service Commission — Complete MCQ Bank

176 Questions
Exam Preparation Guide

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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121
Physics Medium Uploaded: 13 Jul 2026

What does a transformer do to alternating current?

  • AChanges the voltage of AC
  • BConverts AC to DC
  • CConverts DC to AC
  • DChanges the frequency of AC
122
Physics Medium Uploaded: 13 Jul 2026

Which formula correctly represents the relationship between frequency wavelength and speed of a wave?

  • Av equals f divided by wavelength
  • Bv equals wavelength divided by f
  • Cv equals f times wavelength
  • Df equals v times wavelength
123
Physics Hard Uploaded: 13 Jul 2026

What is the critical angle in optics?

  • AAngle at which light travels along the boundary between two media
  • BAngle at which refraction stops
  • CAngle at which a lens focuses parallel rays
  • DAngle of maximum diffraction
124
Physics Medium Uploaded: 13 Jul 2026

Which phenomenon explains why the sky appears blue?

  • AScattering of blue light by atmospheric molecules
  • BReflection of ocean colour
  • CAbsorption of blue light by clouds
  • DRefraction through ice crystals
125
Physics Medium Uploaded: 13 Jul 2026

What is the half-life of a radioactive substance?

  • ATime for the substance to completely decay
  • BTime for the radiation to halve in intensity only
  • CTime for half the nuclei to decay
  • DTime for temperature to reduce by half
126
Physics Medium Uploaded: 13 Jul 2026

Which type of radiation consists of helium nuclei emitted from an unstable nucleus?

  • AAlpha radiation
  • BBeta radiation
  • CGamma radiation
  • DNeutron radiation
127
Physics Medium Uploaded: 13 Jul 2026

Which type of radiation has the highest penetrating power?

  • AAlpha radiation
  • BGamma radiation
  • CBeta radiation
  • DNeutron radiation
128
Physics Medium Uploaded: 13 Jul 2026

What is the Doppler effect in the context of sound waves?

  • AChange in speed of sound due to medium
  • BChange in amplitude of sound near a source
  • CEcho formation from hard surfaces
  • DApparent change in frequency due to relative motion between source and observer
129
Physics Medium Uploaded: 13 Jul 2026

Which experiment proved that the atom has a small dense positively charged nucleus?

  • ARutherford's gold foil experiment
  • BMillikan's oil drop experiment
  • CYoung's double slit experiment
  • DMichelson-Morley experiment
130
Physics Medium Uploaded: 13 Jul 2026

Which model of the atom describes electrons orbiting the nucleus in specific energy levels?

  • AThomson's Plum Pudding model
  • BRutherford's model
  • CDalton's model
  • DBohr's atomic model