Home›MPPSC Forest›State Forest Service Mains Exam›Section 'B': Forestry and General Science›UNIT-07: Physics›Light: Nature of light, reflection of light, laws of reflection, reflection from plane and curved surface, image formation by plane, convex and concave mirror, relation between focal length and radius of curvature, determination of focal length of concave mirror by single pin method, relation between u, v, f (numerical examples)›Which type of mirror is used by a dental surgeon?

Which type of mirror is used by a dental surgeon?

20192M#mppsc-forest#pyq#mcq#2019
A.Plane
B.Convex
C.ConcaveCorrect
D.Both convex and concave
Explanation & Solution

Correct Answer: (C) Concave

Dental surgeons use a concave mirror because when an object is placed close to it, it forms an enlarged, erect, and virtual image, allowing dentists to clearly view magnified details of teeth and cavities.

हिंदी में प्रश्न एवं आदर्श उत्तर

दंत चिकित्सक द्वारा उपयोग किए जाने वाला दर्पण कौन-सा होता है ?

A.समतल
B.उत्तल
C.अवतलसही
D.उत्तल और अवतल दोनों

सही उत्तर: (C) अवतल

दंत चिकित्सक अवतल दर्पण का उपयोग करते हैं क्योंकि जब वस्तु को इसके पास रखा जाता है, तो यह एक आवर्धित, सीधी और आभासी छवि बनाता है, जिससे दाँतों की कैविटी और विवरण स्पष्ट दिखाई देते हैं।

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