A wide range of mechanical and electromagnetic waves become understandable with a limited number of concepts, e.g...

Teaching Guidance 14-16

There are some experiments which must be done in semi-darkness, for example, optics experiments and ripple tanks. You need to...

Teaching Guidance 14-16

If a bi-convex eyepiece is not used and a plano-convex or meniscus lens is used instead, it should be placed with its plane or...

Teaching Guidance 14-16

A model eye and a sectional drawing of the human eye are useful to show students, and links with the biology department can...

Teaching Guidance 14-16

With a camera, rays of light come straight from each point on a bright filament, brightly lighted face, or whatever the object...

Teaching Guidance 14-16

Spectra are beautiful things to see. The full spectrum of white light blazing across a screen is a surprise and a delight to...

Teaching Guidance 14-16

In many optics experiments, the apparatus we show is a free-standing lamp on a stand. This may be shielded by housing, which...

Teaching Guidance 14-16

The ray box is a useful and convenient piece of apparatus for demonstrating optical phenomena, but be aware of its limitations...

Teaching Guidance 14-16

At introductory level, simple experiments can help students to realize that light travels in straight lines and that an object...

Teaching Guidance 14-16

The simple lens formula for thin lenses is included in some advanced level physics courses, though it is rarely used by...

Teaching Guidance 14-16

There are many excellent applets available online that show wave behaviour as if observing a ripple tank or oscilloscope...

Teaching Guidance 14-16

Two thinking models of light were argued about for many years. In the 17th century, Isaac Newton decided in favour of a...

Teaching Guidance 14-16