WAEC Physics 2020 Objective — Question 46
Question 46 of 50 from the West African Examinations Council (WAEC) Physics 2020 Objective paper, with the correct answer and a full explanation.
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A luminous object is one that A. gives off dim blue-green light only in the dark. B. gives out light of its own. C. shines by reflected light only. D. glows only in the presence of light.
- A. gives off dim blue-green light only in the dark
- B. gives out light of its ownCorrect
- C. shines by reflected light only
- D. glows only in the presence of light
Explanation
A luminous object gives out light of its own. Non-luminous objects shine by reflected light.
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