♡ Login
Home
Previous Papers
★
MCQs
General Science
Everyday Science
Red light is used for signals because ...
Que.
Red light is used for signals because it has-
A.
High frequency
B.
High intensity
C.
Low wavelength
D.
Low refraction in the medium
Right Answer is :
✓ D. Low refraction in the medium
⚑ Report
Views 👍 :1.3K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Radioactive substance used in dating geological object ...
➣ The colours of stars depend on their- ...
➣ The site of B cell maturation was ...
➣ Cells of a tissue have: ...
➣ The first law of thermodynamics is simply ...
➣ The heaviest naturally occurring element is- ...
➣ The mass of an astronaut would be ...
➣ Bone ash contains- ...
➣ Colours of light arise due to Newton ...
➣ The increased intraocular pressure of eye produces ...
❖ Take a qick MCQ Test on
➤ Computer Awareness
➤ Miscellaneous
➤ Research Institutions
➤ Everyday Science
➤ Scientific Instruments
➤ Inventions and Discoveries
➤ Environment Science
➤ Various Sciences