Asked: U.P.P.C.S. (Pre) 2016medium Level
QUESTION STATEMENT:द्विभाषी / Bilingual
मानव की सामान्य स्वस्थ आंख के लिए स्पष्ट दृष्टि की न्यूनतम दूरी मानी जाती है -
The minimum distance of distinct vision for a normal healthy human eye is considered to be -
SELECT CORRECT OPTION:
A
50 सेमी.
50 cm
B
10 सेमी.
10 cm
C
15 सेमी.
15 cm
D
25 सेमी.
25 cm
Correct
Official Solution & Explanation:
Correct Answer: Option D(25 सेमी.)
स्वस्थ आंख के लिए स्पष्ट दृष्टि की न्यूनतम दूरी 25 सेमी. तथा अधिकतम दूरी (दूर बिंदु) अनंत होती है।
For a normal eye, the near point of distinct vision is 25 cm and the far point is at infinity.
Subject: General Science•Topic: Light / Optics•Subtopic: Light / Optics
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