♡ 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 👍 :4.4K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Denaturated spirit is ethanol mixed with- ...
➣ Sound wave cannot pass through above ...
➣ Synthetic detergents are made from- ...
➣ What is thiomersal ...
➣ It is difficult to cook rice- ...
➣ In the heavy vehicles, diesel is used ...
➣ Small bubbles are perfectly spherical because of- ...
➣ मानव पाचन तन्त्र का सबसे लम्बा भाग ...
➣ The green colour seen in fireworks displays ...
➣ कौन सा पुच्छल तारा प्रत्येक 76 वर्ष ...
❖ Take a qick MCQ Test on
➤ Computer Awareness
➤ Various Sciences
➤ Everyday Science
➤ Environment Science
➤ Miscellaneous
➤ Scientific Instruments
➤ Research Institutions
➤ Inventions and Discoveries