Light, Sound and Waves

Class practical: The caustic curve and how the aberration can be reduced by reducing the aperture.

Practical Activity 14-16

Class practical: Showing angle of incidence equal to angle of reflection.

Practical Activity 14-16

Demonstration: This experiment is well worth the effort of setting it up.

Practical Activity 14-16

Demonstration: Comparing the paths of a reflected ray of light and a rubber ball.

Practical Activity 14-16

Class practical: Shows that image and object positions are symmetrical in a plane mirror.

Practical Activity 14-16

Class practical: identifying that the image in a plane mirror is virtual.

Practical Activity 14-16

In this activity students see how a coin under a beaker of water can’t be seen through its side. You can use it to introduce...

Practical Activity 14-16