Visible light AM TV, FM Gamma rays Infrared Microwaves X-rays Radio Ultraviolet If(Hz) 100 l05 1010 1015 Figure P39.23 Frequency, Hz Wavelength 102 1021 The visible light |1 pm spectrum is expanded to show details of the colors. Gamma rays 1020 lo19 lo18 X-rays -400 nm lo17 1 nm Violet lo16 Ultraviolet Blue l015 Green 1014 1 μπ Yellow Visible light lols Orange Infrared lo12 Red 1o11 1 mm -700 nm lolo 1 cm Adjacent wave types exhibit some overlap of frequencies. Microwaves 109 1 m l0 TV, FM 107 Radio waves 106 AM 105 1 km 104 Figure 33.13 The electromag- netic spectrum. Long wave 103
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.
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