Question 25
Question 25 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
7. Waves
7.1. Progressive waves

understand that energy is transferred by a progressive wave

7. Waves
7.2. Transverse and longitudinal wa...

compare transverse and longitudinal waves

22. Quantum physics
22.3. Wave-particle duality

understand that the photoelectric effect provides evidence for a particulate nature of electromagnetic radiation while phenomena such as interference and diffraction provide evidence for a wave nature