If the wavelength of red light is 650 x 10^-9 meters (or 6.50x10^-7m) and the speed of light (c) is 3.00 x 10^8 m/s , what is its frequency in Hz?(1/sec = Hz) , and c = (wavelength x frequency)
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Ответ:
f = 4.6 × 10¹⁴ Hz
Explanation:
Given data:
Wavelength of light = 6.50x10^-7m
Speed of light = 3.00 x 10^8 m/s
Frequency of light = ?
Solution:
Formula:
Speed of radiation = frequency × wavelength
by putting values,
3×10⁸ m/s = f × 6.50x10^-7m
f = 3×10⁸ m/s / 6.50x10^-7m
f = 0.46 × 10¹⁵ s⁻¹
f = 0.46 × 10¹⁵ Hz
f = 4.6 × 10¹⁴ Hz
Ответ: