Asked: U.P.P.C.S.(Mains) 2003medium Level
QUESTION STATEMENT:द्विभाषी / Bilingual
जब प्रकाश एक माध्यम से दूसरे माध्यम में जाता है, तो निम्न में से कौन-सा एक अपरिवर्तित रहता है?
When light passes from one medium to another, which of the following remains unchanged?
SELECT CORRECT OPTION:
A
तीव्रता
Intensity
B
वेग
Velocity
C
तरंगदैर्घ्य
Wavelength
D
आवृत्ति
Frequency
Correct
Official Solution & Explanation:
Correct Answer: Option D(आवृत्ति)
अपवर्तन के दौरान प्रकाश की आवृत्ति (Frequency) सदैव स्थिर और अपरिवर्तित रहती है, जबकि वेग, तरंगदैर्ध्य और तीव्रता बदल सकते हैं।
During refraction across media boundaries, the frequency of light remains completely invariant.
Subject: General Science•Topic: Light / Optics•Subtopic: Light / Optics
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