JEE Main 2020 Physics question
A particle is moving 5 times as fast as an electron. The ratio of the de-Broglie wavelength of the particle to that of the electron is . The mass of the particle is close to :
Answer: (D)
A particle is moving 5 times as fast as an electron. The ratio of the de-Broglie wavelength of the particle to that of the electron is . The mass of the particle is close to :