Which statement correctly distinguishes a ray of light from a beam of light?
AA ray is a bundle of light, whereas a beam is the direction of one light particle.
BA ray is the direction in which light travels, whereas a beam is a bundle of light rays.
CA ray is always parallel, whereas a beam is always divergent.
DA ray can travel only in vacuum, whereas a beam can travel in any medium.
Answer & Solution
Correct answer: B. A ray is the direction in which light travels, whereas a beam is a bundle of light rays.
A ray of light represents the direction in which light travels. A beam of light is a collection or bundle of such rays. The other options incorrectly swap or overrestrict the meanings.
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