Physics 0625: ATOMS AND RADIOACTIVITY Topical Past Paper Questions
Cambridge IGCSE Physics (0625) past-paper questions on ATOMS AND RADIOACTIVITY, free. This topic is frequently examined across 26 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
(a) The Sun is an example of a stable star. Describe the process that releases energy in the Sun. [3] (b) Complete the sentence about energy transferred from the Sun. The Sun radiates most of its energy in the infrared, visible and regions of the spectrum. (c) The Sun produces so…
(a) Alpha ($\alpha$) particles are directed at a very thin sheet of gold foil. The following observations provide evidence for the nuclear model of the atom. State what conclusions may be made about the model of the atom from these observations. > (i) Observation: most of the par…
[Total: 9] (a) An experiment directs alpha particles at a very thin sheet of gold foil. > **(i)** Most of the alpha particles pass through the thin foil in a straight line. > > State the conclusion about atoms from this observation. [1] > > **(ii)** Some of the alpha particles ar…
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