12 Questions
Which type of wave is characterized by the medium vibrating at right angles to the direction of its propagation?
Transverse wave
What term refers to objects that do not produce their own light?
Non-luminous
Which type of radiation includes visible light, radio waves, gamma rays, and X-rays?
Electromagnetic radiation
What is the process by which one thing absorbs or is absorbed by another?
Absorption
Which term describes material that allows light to pass through so that objects behind can be distinctly seen?
Translucent
What is the rate per second of a vibration constituting a wave?
Frequency
What is the angle of reflection?
The angle made by a reflected ray with a perpendicular to the reflecting surface
What is the function of the cornea in the eye?
It allows light to enter the inside of the eye
What is total internal reflection?
The complete reflection of a light ray reaching an interface with a less dense medium when the angle of incidence exceeds the critical angle
Which mirror has a reflective surface that is recessed inward?
Concave mirror
What is the focal length of a lens or curved mirror?
The distance between the centre of the lens or mirror and its focus
What is a virtual image?
The collection of focus points made by extensions of diverging or converging rays
Learn about electromagnetic radiation, transverse wave, luminous, and non-luminous objects in this quiz. Test your knowledge on topics like visible light and the different types of radiation.
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