Physics WPH01: Optics Topical Past Paper Questions
Edexcel A Level Physics (WPH01) past-paper questions on Optics, free. This topic is frequently examined across 8 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
A liquid level sensor uses a plastic prism, a light source and a receiver. When the liquid is below the level of the prism the light totally internally reflects to the receiver as shown. (a) Describe the conditions required for total internal reflection. (2) (b) The critical angl…
The photograph shows an iceberg. A beam of light from the Sun travels through the top layer of ice and is incident on an air bubble. The diagram shows the path of two rays of light within the beam, ray A and ray B. The refractive index of ice is 1.31 (a) Calculate the speed of li…
Diamonds are widely used in jewellery due to their ability to sparkle. Sparkling is caused by reflections of light inside the diamond. When used in jewellery, diamonds are cut to an optimum shape. (a) The diagram shows the path of one ray of light as it passes through a cut diamo…
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