Welcome to cbsenotes.com! To post messages or access any member only section, you will need an account. Create your free account now.
Already a member ? Click here to login
CBSE Notes 2011-2012

The danger signals installed at the top of tall buildings are red in colour. These can be easily see...

Multiple choice question

The danger signals installed at the top of tall buildings are
red in colour. These can be easily seen from a distance
because among all other colours, the red light

unknown

is scattered the most by smoke or fog

unknown

is scattered the least by smoke or fog

unknown

is absorbed the most by smoke or fog

unknown

moves fastest in air