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Relativistic corrections become necessary when the expression for the kinetic energy 1/2 mv2 , becomes comparable with mc2, where m is the mass of the particle. At what de Broglie wavelength will relativistic corrections become important for an electron? (a) λ =10nm (b)$ λ =10^{–1}$nm (c) $λ =10^{–4}$nm (d)$ λ =10^{–6}$nm
Relativistic corrections become necessary when the expression for the kinetic energy 1/2 mv2 , becomes comparable with mc2, where m is the mass of the particle. At what de Broglie wavelength will relativistic corrections become important for an electron? (a) λ =10nm (b)$ λ =10^{–1}$nm (c) $λ =10^{–4}$nm (d)$ λ =10^{–6}$nm
CBSE | Class 12 | Dual Nature of Radiation and Matter | ncert exemplar | Physics
Relativistic corrections become necessary when the expression for the kinetic energy 1/2 mv2 , becomes comparable with mc2, where m is the mass of the particle. At what de Broglie wavelength will relativistic corrections become important for an electron? (a) λ =10nm (b)$ λ =10^{–1}$nm (c) $λ =10^{–4}$nm (d)$ λ =10^{–6}$nm

The correct answers are

c) λ =10–4nm

d) λ =10–6nm

i

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