A photon of wavelength 1.50 × 10-10 m is scattered at an angle of 90° in the Compton effect. The wavelength of the scattered photon is O 1.49 × 10-10 m O 1.50 × 10-10 m O 1.48 x 10-10 m O 1.51 x 10-10 m O 1.52 x 10-10 m

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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.