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.
The Jallianwala Bagh Massacre occurred in which year?
During which time period did Sultan Firuz Shah Tughlaq reign over the Sultanate of Delhi?
Which monarch called himself as the second Alexander?
The most important poet at the court of Mahmud of Ghazni, who wrote Shahnama and is regarded as the "Immortal Homer of the East" was
What is the correct chronological sequence of the later Mughal emperors?
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Bahadur Shah-I
Bhand Pather is the traditional theatre form of which of the following states?
Who authored the historical account "Padshahnama," chronicling the reign of Shah Jahan?
Who was known as ‘Andhra-Bhoja’?
Who were called the New Muslims?
Which of the following was a major port during the Indus Valley Civilization?
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