Asked: U.P.P.C.S. (Mains) 2013medium Level
QUESTION STATEMENT:द्विभाषी / Bilingual
निकटदृष्टि-दोष की रोग मुक्ति होती है -
Relief/cure from myopia is achieved through -
SELECT CORRECT OPTION:
A
उत्तल लेंस द्वारा
Convex lens
B
अवतल लेंस द्वारा
Concave lens
Correct
C
सिलिंडरी लेंस द्वारा
Cylindrical lens
D
उपर्युक्त में से कोई नहीं
None of the above
Official Solution & Explanation:
Correct Answer: Option B(अवतल लेंस द्वारा)
निकटदृष्टि दोष के निवारण हेतु अवतल लेंस (Concave lens) का प्रयोग किया जाता है।
Concave lenses are prescribed to correct refractive nearsightedness.
Subject: General Science•Topic: Light / Optics•Subtopic: Light / Optics
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