Menu
GK
ENGLISH
CURRENT AFFAIRS
APTITUDE
BANKING
UGC NET
REASONING
COMPUTER SC.
COURSES
GK
ENGLISH
CURRENT AFFAIRS
APTITUDE
BANKING
UGC NET
REASONING
COMPUTER SC.
COURSES
By
Gkseries
Click here for more questions
Physics - General Science Objective Questions and Answers for Competitive Exams
Home
/
General Knowledge
/
Because of _______ red light is used for signals ?
Sports GK Questions and Answers 2024 (Latest Updated)
Awards & Honours GK Questions 2024 (Latest Updated)
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]
Advertisement
← Go To First Question
Next Question →