Calculate the frequency of the red light emitted by a neon sign with a wavelength of 690 nm
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Ответ:
Explanation:
The frequency of a light is inversely proportional to its wavelength. It is given by:
The speed of the red light, v = 3.0 × 10⁸ m/s
The wavelength of the red light, λ = 690 nm = 690 ×10⁻⁹ m
Thus, the frequency of red light emitted by neon sign having wavelength 690 nm is![4.35 \times 10^{14} Hz](/tpl/images/0233/7263/ef6b3.png)
Ответ:
Explanation:
speed : • how fast an object changes position
• miles per hour.
• distance/time.
velocity: • speed in a direction
• miles per hour North
• distance/ time in a direction