In the early 1900s the normal Zeeman effect was useful to determine the electron’s e/m if Planck’s constant was assumed known. Calcium is an element that exhibits the normal Zeeman effect. The difference between adjacent components of the spectral lines is observed to be 0.0168 nm for = λ 422.7 nm when calcium is placed in a magnetic fi eld of 2.00 T. From these data calculate the value of eh/m and compare with the accepted value today. Calculate e/m using this experimental result along with the known value of h.
Compton effect
The incoming photons' energy must be in the range of an X-ray frequency to generate the Compton effect. The electron does not lose enough energy that reduces the wavelength of scattered photons towards the visible spectrum. As a result, with visible lights, the Compton effect is missing.
Recoil Velocity
The amount of backward thrust or force experienced by a person when he/she shoots a gun in the forward direction is called recoil velocity. This phenomenon always follows the law of conservation of linear momentum.
In the early 1900s the normal Zeeman effect was useful to determine the electron’s e/m if Planck’s constant was assumed known. Calcium is an element that exhibits the normal Zeeman effect. The difference between adjacent components of the spectral lines is observed to be 0.0168 nm for = λ 422.7 nm when calcium is placed in a magnetic fi eld of 2.00 T. From these data calculate the value of eh/m and compare with the accepted value today. Calculate e/m using this experimental result along with the known value of h.
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