When an electron is accelerated through a potential difference V, the de-Broglie wavelength associated with it is 4λ. If the accelerating potential is increased to 4V, its new de-Broglie wavelength will be:

Which of the following events is considered a major turning point that fueled Indian nationalism during British rule due to its brutal nature and widespread condemnation?

Which of the following events is considered the first major peasant uprising against the British in India?