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Reflection And Refraction Questions And Answers Question 8. A concave mirror of focal length 20 cm forms an image having twice the size of object. For the virtual position of object, the position of object will be at (a) 25 cm (b) 40 cm (c) 10 cm (d) At infinity

Reflection And Refraction Questions And Answers Question 8. A concave mirror of focal length 20 cm forms an image having twice the size of object. For the virtual position of object, the position of object will be at
(a) 25 cm
(b) 40 cm
(c) 10 cm
(d) At infinity

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60787 Points
2 years ago
Answer: c Explanation: (c) For virtual image,

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