Question
Red light is used for signals because it has
–Solution
Red is the international colour of stop signs and stop lights on highways and intersections because it is scattered the least by air molecules. The effect of scattering is inversely related to the fourth power of the wavelength of a colour. Red has the highest wavelengthofallthecoloursandisabletotravel the longest distance through fog, rain, and the alike.
In the India–Africa development partnership, how many scholarships were offered to African youth and how many have been utilised?
Which of the following texts was not composed by Bhaskaracharya?
Karmoli Hydroelectric Project is situated on which river?
What is the expected annual generation of electricity from the Arun III hydropower project once completed?
The Christian Aid report "Counting the Cost 2023: A Year of Climate Breakdown" analyzed 20 of the most expensive climate-linked disasters in 2023. What ...
Recently SIDBI signed an MoU with which state government to set up Project Management Units (PMU) in the state?
What was the total annual gold purchase by the RBI in 2024?
State Bank of Sikkim has signed a bancassurance pact with which life insurance company to make insurance solutions accessible to the residents of Sikkim...
Which country officially joined BRICS as a partner state along with other nations like Egypt, Ethiopia, Indonesia, and UAE?
- Where was Exercise Desert Hunt 2025 conducted by the Indian Air Force?
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