Physics Medium fpsc ppsc nts

What is the principle behind a periscope?

  • A Reflection of light using two parallel mirrors
  • B Diffraction of light
  • C Refraction through lenses
  • D Polarisation of light
Correct Answer: Option A — Reflection of light using two parallel mirrors
Explanation:
A periscope uses two parallel mirrors inclined at 45 degrees to reflect light allowing observation above or around obstacles without direct ...
Submitted by: PaperMCQs
0 views Back to Physics
Related MCQs

Which process transfers heat through the movement of fluid currents?

Click to view answer →

What is the unit of electrical resistance?

Click to view answer →

What is the terminal velocity of a falling object?

Click to view answer →

Which property of a body is measured by the amount of matter it contains?

Click to view answer →

Which type of radiation has the highest penetrating power?

Click to view answer →

Which law states that a planet sweeps out equal areas in equal times as it orbits the sun?

Click to view answer →

What is the unit of magnetic flux density?

Click to view answer →

What does Einstein's mass-energy equivalence equation state?

Click to view answer →

What is the principle of conservation of momentum?

Click to view answer →

Which law describes the relationship between the lengths of the sides of a right-angled triangle?

Click to view answer →
MCQ Details
SubjectPhysics
DifficultyMedium
Exam Typesfpsc, ppsc, nts
CorrectOption A
Practice More
More Physics MCQs Take Quick Test