Physics · Oct / Nov 2024 · Paper 11 · Question 40
5054The Universe
A student spills ink on the page in a textbook that defines redshift. The ink covers the three important words 1, 2 and 3. Redshift is ......1...... in the observed ......2...... of electromagnetic radiation emitted from ......3...... stars and galaxies. What are words 1, 2 and 3?
- Aan increase frequency receding
- Ba decrease frequency approaching
- Can increase wavelength receding
- Dan increase wavelength approaching
As printed in the paper
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Correct answer: C. an increase wavelength receding
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