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 wavelength of all the colours and is able to travel the longest distance through fog, rain, and the alike.
Which of the following statements about Alauddin Khilji iscorrect?
Which of the following Congress Leader has a famous slogan ''Do or Die''?Â
Which of the following constitute the famous "Trinity of Carnaticmusic"?
Who founded the city of Gangaikonda Cholapuram to commemorate a victory over the Pala dynasty?
MALDA gap separates?
Arrange the following important stone age sites from north to south:
1. Bagor
2. Bhimbetka
3. Gudiyam Caves
4. Renigunta
...Which dynasty constructed the Gol Gumbaz?
Consider the following pairs: Ancient names Modern names (Rig vedic rivers)
1. Parushini : Jhelum
2. Vipasha : Beas
3. Askini : Che...
In mauryan dynasty, Kalinga war took place in the year?
Battle between Alexander and Porus was also known as?