Question

If energy of photon of blue light is e1 and that of yellow light is e2,then​:-

Answer 1

Wavelength of blue light < yellow light

Thus, E1 > E2

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Answer 2

The basic formula i.e. E=hc/λ, which is used to determine the energy of the photon.

• The above shows that the energy is inversely proportional to the wavelength.
• Therefore, blue has more wavelength than the yellow light.
• That's why the blue light shows less energy and yellow light shows more energy of light.
• energy of blue light< energy of the yellow light
• E(b) < E(y).
• E1 < E2