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2. X-rays of wavelength 0.2 nm are scattered from a block of carbon. If the scattered radi detected at 90 to the incident beam, find (a) the Compton shift, and (b) the kinetic imparted to the recoiling electron. 3. In a Davison and Germer experiment the second order diffraction resulting in a cons interference was observed at an angle of 40° with respect to incident electron beam d for the wavelength of electron waves 2.5 A. Calculate the interplanar distance experimental crystal? 4. Estimate the uncertainty in the position of (a) a neutron moving at 5 x 10°ms- and (b) a 501 person moving at 2m s-1

2. X-rays of wavelength 0.2 nm are scattered from a block of carbon. If the scattered radi detected at 90 to the incident beam, find (a) the Compton shift, and (b) the kinetic imparted to the recoiling electron. 3. In a Davison and Germer experiment the second order diffraction resulting in a cons interference was observed at an angle of 40° with respect to incident electron beam d for the wavelength of electron waves 2.5 A. Calculate the interplanar distance experimental crystal? 4. Estimate the uncertainty in the position of (a) a neutron moving at 5 x 10°ms- and (b) a 501 person moving at 2m s-1

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[MNa=3.82x1026 Kg] 2. X-rays of wavelength 0.2 nm are scattered from a block of carbon. If the scattered radia detected at 90 to the incident beam, find (a) the Compton shift, and (b) the kinetic e imparted to the recoiling electron. 3. In a Davison and Germer experiment the second order diffraction resulting in a constru interference was observed at an angle of 40° with respect to incident electron beam dire for the wavelength of electron waves 2.5 A. Calculate the interplanar distance o experimental crystal? 4. Estimate the uncertainty in the position of (a)a neutron moving at 5 x 10°m s and (b) a 50 kg person moving at 2m s! 5. Electrons with energies of 2.0 eV and 4.0 eV are incident on a barrier 10.0 eV high and 0.50,nm wide. (a) Find their respective transmission probabilities. (b) How are these affected if the barrier is halved in width? 6. The wave function of a certain particle is - T/2<x< T/2 () bility that the particle be found between x 0 and x= /+ 7. Find the kinetic energy ola t= A cos x for Find the value of A. (b) Find the proba- m/4 77 kde Tle waveleneth is .000 fin= 000 ngth is 1.000 Im 1000
Transcribed Image Text:[MNa=3.82x1026 Kg] 2. X-rays of wavelength 0.2 nm are scattered from a block of carbon. If the scattered radia detected at 90 to the incident beam, find (a) the Compton shift, and (b) the kinetic e imparted to the recoiling electron. 3. In a Davison and Germer experiment the second order diffraction resulting in a constru interference was observed at an angle of 40° with respect to incident electron beam dire for the wavelength of electron waves 2.5 A. Calculate the interplanar distance o experimental crystal? 4. Estimate the uncertainty in the position of (a)a neutron moving at 5 x 10°m s and (b) a 50 kg person moving at 2m s! 5. Electrons with energies of 2.0 eV and 4.0 eV are incident on a barrier 10.0 eV high and 0.50,nm wide. (a) Find their respective transmission probabilities. (b) How are these affected if the barrier is halved in width? 6. The wave function of a certain particle is - T/2<x< T/2 () bility that the particle be found between x 0 and x= /+ 7. Find the kinetic energy ola t= A cos x for Find the value of A. (b) Find the proba- m/4 77 kde Tle waveleneth is .000 fin= 000 ngth is 1.000 Im 1000
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