Question

what is the frequency of red light when wavelength is 700 NM​

Answer 1

Explanation:

Red light has a wavelength of ~700 nm, and a frequency of ~4.3*1014 Hz. Visible light makes up just a small part of the full electromagnetic spectrum. Electromagnetic waves with shorter wavelengths and higher frequencies include ultraviolet light, X-rays, and gamma rays.

Answer 2

The frequency of red light when the wavelength is 700 NM is 4.29 x 1014 Hz.

• Frequency is the inverse of the period (t) and it is the number of oscillations per unit time or is the number of repetitions of an event by an object per unit time.
• Frequency can also be calculated in terms of wavelength and speed of light.
• The formula for frequency is given by the equation:
• frequency c (in ms-2) wavelength in m Here,c = speed of light in ms-2 = 3x 108 wavelength = 700 × 10-9 m
• The formula for frequency =
• $= \frac{speed}{wavelength}$
• Frequency =
• $\frac{3 \times {10}^{8} }{700 {10}^{ - 9} } = \frac{30}{7} \times {10}^{14} = 4.29\times {10}^{14}$
• Henceforth, the frequency of red light when the wavelength is 700 NM is 4.29 x 1014 Hz.