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Class 10
Solutions to CBSE Sample Paper - Science Class 10

Which of the following mirror is used by a dentist to examine a small cavity in a patient’s teeth?

(A) Convex mirror 

(B) Plane mirror 

(C) Concave mirror 

(D) Any spherical mirror 


Answer - 

Dentist checking cavity using mirror - Teachoo.jpg

Now, a Concave mirror gives

  • Enlarged image when object is between pole and focus
  • Parallel ray of light when object is placed at focus
  • Converges rays of light at the focus

Since Concave mirror gives an enlarged image.

Thus, a concave mirror is used to examine a small cavity in patient’s teeth

So, the correct answer is (c)


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CA Maninder Singh is a Chartered Accountant for the past 13 years and a teacher from the past 17 years. He teaches Science, Economics, Accounting and English at Teachoo