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PPSC MCQs

Punjab Public Service Commission — Complete MCQ Bank

159 Questions
Exam Preparation Guide

How to prepare for PPSC

PPSC examinations recruit candidates for Punjab government departments and commonly test general knowledge, current affairs, English and post-related subjects.

Punjab AffairsGeneral KnowledgeCurrent AffairsEnglish
Give special attention to Punjab geography, history and administration alongside the advertised post’s specialist syllabus.
PPSC preparation illustration
1
Physics Medium Uploaded: 17 Aug 2026

A light-emitting diode (LED) converts electrical energy into:

  • AChemical energy
  • BSound energy
  • CLight energy
  • DMechanical energy
2
Physics Medium Uploaded: 17 Aug 2026

A p-type semiconductor has an excess of:

  • AElectrons
  • BProtons
  • CNeutrons
  • DHoles
3
Physics Hard Uploaded: 17 Aug 2026

The work function of a metal is the minimum energy required to:

  • ABreak a chemical bond
  • BMelt the metal
  • CIonize the nucleus
  • DRemove an electron from the metal surface
4
Physics Medium Uploaded: 17 Aug 2026

The atomic nucleus was discovered through experiments conducted by:

  • AJ.J. Thomson
  • BMax Planck
  • CNiels Bohr
  • DErnest Rutherford
5
Physics Easy Uploaded: 17 Aug 2026

Planck's constant relates the energy of a photon to its:

  • AAmplitude
  • BFrequency
  • CSpeed
  • DWavelength only
6
Physics Hard Uploaded: 17 Aug 2026

Coulomb's law describes the force between:

  • ATwo resistors
  • BTwo currents
  • CTwo point charges
  • DTwo magnets
7
Physics Easy Uploaded: 17 Aug 2026

Like charges:

  • ARepel each other
  • BNeutralize each other
  • CAttract each other
  • DHave no interaction
8
Physics Medium Uploaded: 17 Aug 2026

A device used to store electric charge is called a:

  • AInductor
  • BTransformer
  • CCapacitor
  • DResistor
9
Physics Medium Uploaded: 17 Aug 2026

The SI unit of electric charge is:

  • ACoulomb
  • BOhm
  • CVolt
  • DAmpere
10
Physics Medium Uploaded: 17 Aug 2026

The magnifying power of a simple microscope increases when the focal length of its lens is:

  • AMade infinite
  • BIncreased
  • CDecreased
  • DKept constant