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MHT CET 2023 Physics question

PhysicsDual Nature of Matter and RadiationMHT CET 2023

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

Answer: (D)

Solution

For an electron accelerated through potential , . Initially the wavelength is at potential . When the potential becomes , $ =

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Question ID VK-097228