Asked: U.P. Lower Sub. (Pre) 2002, U.P.P.C.S. (Mains) 2008medium Level
QUESTION STATEMENT:द्विभाषी / Bilingual
निकटदृष्टि दोष को ठीक किया जाता है -
Myopia is corrected by using -
SELECT CORRECT OPTION:
A
उत्तल लेंस प्रयुक्त करके
A convex lens
B
अवतल लेंस प्रयुक्त करके
A concave lens
Correct
C
समतल-अवतल लेंस प्रयुक्त करके
A plano-concave lens
D
समतल कांच प्रयुक्त करके
A plane glass plate
Official Solution & Explanation:
Correct Answer: Option B(अवतल लेंस प्रयुक्त करके)
निकटदृष्टि दोष को अवतल लेंस (Concave lens) के चश्मे द्वारा ठीक किया जाता है।
Myopia is remedied by prescribing spectacle frames equipped with suitable concave lenses.
Subject: General Science•Topic: Light / Optics•Subtopic: Light / Optics
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