Understanding Electromagnetic Radiation and Light Terminology
12 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which type of wave is characterized by the medium vibrating at right angles to the direction of its propagation?

  • Transverse wave (correct)
  • Longitudinal wave
  • Surface wave
  • Electromagnetic wave

What term refers to objects that do not produce their own light?

  • Luminous
  • Transparent
  • Visible
  • Non-luminous (correct)

Which type of radiation includes visible light, radio waves, gamma rays, and X-rays?

  • Microwave radiation
  • Ultraviolet radiation
  • Electromagnetic radiation (correct)
  • Infrared radiation

What is the process by which one thing absorbs or is absorbed by another?

<p>Absorption (C)</p> Signup and view all the answers

Which term describes material that allows light to pass through so that objects behind can be distinctly seen?

<p>Translucent (B)</p> Signup and view all the answers

What is the rate per second of a vibration constituting a wave?

<p>Frequency (D)</p> Signup and view all the answers

What is the angle of reflection?

<p>The angle made by a reflected ray with a perpendicular to the reflecting surface (C)</p> Signup and view all the answers

What is the function of the cornea in the eye?

<p>It allows light to enter the inside of the eye (C)</p> Signup and view all the answers

What is total internal reflection?

<p>The complete reflection of a light ray reaching an interface with a less dense medium when the angle of incidence exceeds the critical angle (C)</p> Signup and view all the answers

Which mirror has a reflective surface that is recessed inward?

<p>Concave mirror (B)</p> Signup and view all the answers

What is the focal length of a lens or curved mirror?

<p>The distance between the centre of the lens or mirror and its focus (B)</p> Signup and view all the answers

What is a virtual image?

<p>The collection of focus points made by extensions of diverging or converging rays (D)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Browser