General Education Diploma (GED Oman) · Physics And Chemistry
Atoms and Light
8 practice questions, each with the answer and an explanation.
Practise Atoms and Light now
Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.
All 8 questions
- A photon has frequency 5 Hz. Using J s, what is its energy?
- A radioactive sample contains 1600 g of nuclide with a half-life of 3 hours. How much remains after 9 hours?
- A radioactive sample contains 800 g of nuclide with a half-life of 12 hours. How much remains after 36 hours?
- A radioactive sample contains 800 g of nuclide with a half-life of 8 hours. How much remains after 40 hours?
- What is the frequency of light with a wavelength of 500 nm? ( m/s)
- How many neutrons are in an atom of ?
- A nucleus of emits a beta particle. Which nucleus is formed?
- Which colour of visible light has the highest frequency?
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