Grade 9 · Physics
This quiz helps revise “Light and optics” in Physics for grade 9. It has 25 questions in five categories: Light and shadows, Reflection, Refraction, Lenses, Eye and color. Questions get harder as the points go up, from 100 to 500.
The 100- and 200-point questions are open here. The rest show only their first words, and there are no answers: all of that is in the game itself.
What is the line showing the direction in which light travels in geometric optics called?
How does light travel through a homogeneous transparent medium?
What is the dark…
In the gameWhat is the approximate…
In the gameWhat phenomenon is pictured…
In the gameWhat is the angle of reflection from a mirror equal to?
Is the image formed by a plane mirror real or virtual?
What type of reflection…
In the gameA person stands 1.5…
In the gameA ray strikes a…
In the gameWhat is the change in direction of light as it passes from one transparent medium into another called?
Which way does a light ray bend when it enters glass from air at an angle?
Light travels in a…
In the gameWhat is the incident…
In the gameWhat phenomenon keeps light…
In the game
What type of lens does a simple magnifying glass use to produce a magnified image?
What is the point called where rays parallel to the principal axis meet after a converging lens?
What is the unit…
In the gameA converging lens has…
In the gameWhat kind of image…
In the gameOn which part of the eye must a sharp real image be formed for clear vision?
Which part of the eye, the coloured ring around the pupil, regulates incoming light by changing the size of the pupil?
What type of spectacle…
In the gameWhat is the splitting…
In the gameIn a glass prism…
In the gameAll 25 questions and the answers are in the game. Invite your class or friends with a link — guests need no account.
