The threshold frequency for a certain photosensitive metal is ν₀. When it is illuminated
The threshold frequency for a certain photosensitive metal is ν₀. When it is illuminated by light of frequency ν=2ν₀, the…
7 years ago
AMU2012
The de-Broglie wavelength of an electron moving with a velocity 1.5×10⁸ ms⁻¹ is equal
The de-Broglie wavelength of an electron moving with a velocity 1.5x10⁸ ms⁻¹ is equal to that of a photon. The…
7 years ago
The electron of a hydrogen atom revolves round the proton in a circular
The electron of a hydrogen atom revolves round the proton in a circular nth orbit of radius rn=ε₀n²h²/(πme²) with a…
7 years ago
A radioactive substance emits n beta particles in the first 2 s and 0.5 n beta
A radioactive substance emits n beta particles in the first 2 s and 0.5 n beta particles in the next…
7 years ago
The wave function (in SI unit) for a light wave is given as Ψ(x,t)= 10³ sin π
The wave function (in SI unit) for a light wave is given as Ψ(x,t)= 10³ sin π(3x10⁶ x-9x10¹⁴ t) .…
7 years ago