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ENGLISH
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APTITUDE
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UGC NET
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COURSES
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Physics - General Science Objective Questions and Answers for Competitive Exams
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Because of _______ red light is used for signals ?
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Question
Because of _______ red light is used for signals ?
A
High frequency
B
High intensity
C
Long wavelength
D
High refraction
Answer & Explanation
Option: [C]
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