aliensbrain
  • Home
  • Study
  • Quizzes
  • 🎤AI Practicefree
  • Notebooks
  • Community
  • Sign in
  • General Awareness - 2 (Postal)
  • The power of a concave lens is __________.
Multiple choice

The power of a concave lens is __________.

  1. zero

  2. infinity

  3. a negative value

  4. a positive value

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

As the concave mirror is a diverging lens, so the power should be negative.

Keep practicing — related questions

  • The power of convex lens is
  • Calculate the power of a concave lens whose focal length is 4 m.
  • Power of lens is in dioptre, and is equal to reciprocal of if its focal length, which is measured in ______...
  • In which of the following cases does the ray diagram for concave and convex lens is/are similar?
  • Which of the following thermal power plants is/are correctly matched with the states they are located in? I...
  • Which of the following power supply components of a computer system converts AC power from an electrical ou...
  • How is power supplied to a low-power USB device?
  • According to the 46th edition of the bi-annual TOP 500 list of the world’s most powerful supercomputers in ...
Play the full quiz 🎤 Practise this topic out loud

Practice this topic

  • Optics and Lenses (251 questions)
Advertisement
© Aliensbrain | all rights reserved
  • About
  • Contact
  • Terms and Condition
  • Privacy Policy