Question 29
Question 29 of 40
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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
3. Waves
3.2.4. Dispersion of light

Know the traditional seven colours of the visible spectrum in order of frequency and in order of wavelength

6. Space physics
6.2.3. The Universe

Describe redshift as an increase in the observed wavelength of electromagnetic radiation emitted from receding stars and galaxies