Question

Why is it reasonable to treat light as a ray instead of a wave in everyday situations?.

Answer 1

It reasonable to treat light as a ray instead of a wave in everyday situations because "the wavelengths of light are so short that they wave effects are negligible".

What is wavelength of light?

The distance between the two crests or troughs of the light wave is known as the wavelength of light. Using the Greek letter lambda , it is identified. As a result, wavelength refers to the separation between one wave's crest or dip and the following wave.

Some properties of wavelength of light are-

• The wavelengths and frequency of these distinct light colors vary.
• The visible spectrum's longest wavelength and lowest frequency are found in red light.
• The visible spectrum's violet color has the shortest wavelength and highest frequency.
• A small band of wavelengths, roughly 380 to 730 nm, make up visible light.
• Our eyes interpret these wavelengths as various hues.
• If only one wavelength or a small range of wavelengths are seen, they are perceived as having a specific hue.

The four properties of light waves are-

• reflection,
• refraction,
• diffraction and
• interference.

To know more about the wave property of light, here

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