Physics · Light and Optics
Which of the following statements are true? (A) An object can be seen only if it reflects or emits light. (B) A convex lens always produces a real image. (C) A concave mirror can be used to produce an enlarged and erect image. (D) When the size of the image formed by a concave lens is smaller than the object, the image orientation is erect.
- 1(A), (C) and (D)✓
- 2(B) and (D)
- 3(A) and (B)
- 4(B) and (C)
Correct answer
(A), (C) and (D)
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