Red light is used as danger signal because it – McqOptions

MCQOPTIONS

1.	Red light is used as danger signal because it
A.	is scattered least
B.	is comfortable for eyes
C.	produces least chemical reactions
D.	absorbs least in air
Answer» B. is comfortable for eyes

Discussion

No Comment Found

Related MCQs

A Swimming pool looks shallower than it really is, when see by a person standing outside near it, because of the phenomenon of
A child is standing in front of a magic mirror. She finds the image of her head bigger, the middle portion of her body of the same size and that of the legs smaller. The following is the order of combinations for the magic mirror from the top.
Which one of the following is correct? Lightning is formed, when
Which one among the following is the correct order of power consumption for light of equal intensity ?
Soap bubble looks coloured due to
Rainbow is formed due to
A student finds the writing on the black board as blurred and unclear when sitting on the last desk in a classroom. However, he sees it clearly when sitting on the front desk. Student suffers from a vision defect known as
When the distance between the object and the plane mirror increases
Butter paper is an example of ...........object.
The sun is seen before the actual sun rise because of .........