Question 8 [CBSE Outside Delhi Set-1, 2016] - MCQ from Past Year Papers - Chapter 10 Class 10 - Light - Reflection and Refraction

Last updated at April 16, 2024 by

To determine the approximate value of the focal  length of a given concave mirror, you focus the  image of a distant object formed by the mirror on a screen. The image obtained on the screen, as  compared to the object is always:  

(a) Laterally inverted and diminished  

(b) Inverted and diminished  

(c) Erect and diminished  

(d) Erect and highly diminished  

 

Answer

  • When the object is at infinity , 
  • the image formed by the concave mirror will be diminished and inverted
  • And it is formed at the focus of the mirror.

concave-mirror---object-at-infinity---ray-diagaram---teachoo.jpg

 

So, the correct answer is (b) - inverted and diminished

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CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo