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The danger signals are red while the eye is more sensitive to yellow because-
- a)absorption in red is less than yellow and hence red is visible from a distance
- b)scattering in yellow light is less than red
- c)the wavelength of red light is more than yellow light
- d)None of the above reasons
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
The danger signals are red while the eye is more sensitive to yellow ...
In the spectrum of white light, red has the highest wavelength, and hence is scattered the least by the atmospheric particles. For this reason, danger signals are red despite the fact that the human eye is most sensitive to yellow and green.
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Hence, the correct option is (c).
Most Upvoted Answer
The danger signals are red while the eye is more sensitive to yellow ...
Explanation:
The human eye is more sensitive to yellow light than red light because of the following reasons:
Wavelength of Red Light is More Than Yellow Light:
Red light has a longer wavelength than yellow light. The wavelength of red light is around 700 nanometers, while the wavelength of yellow light is around 580 nanometers. The longer the wavelength, the less energy the light has, and the less it can stimulate the receptors in the eye. Therefore, the eye is less sensitive to red light.
Absorption in Red is Less Than Yellow Light:
The absorption of light by the eye is higher for shorter wavelengths. This means that the eye absorbs more yellow light than red light. Therefore, red light is more visible from a distance because it is not absorbed as much by the eye.
Scattering in Yellow Light is Less Than Red:
Scattering of light is the reflection of light in different directions. Yellow light scatters less than red light, so it travels a longer distance in air or water. This means that yellow light is more visible in clear conditions, such as a clear sky or water.
Conclusion:
In conclusion, the human eye is more sensitive to yellow light than red light because of the wavelength of red and yellow light, absorption of light by the eye, and scattering of light.
The human eye is more sensitive to yellow light than red light because of the following reasons:
Wavelength of Red Light is More Than Yellow Light:
Red light has a longer wavelength than yellow light. The wavelength of red light is around 700 nanometers, while the wavelength of yellow light is around 580 nanometers. The longer the wavelength, the less energy the light has, and the less it can stimulate the receptors in the eye. Therefore, the eye is less sensitive to red light.
Absorption in Red is Less Than Yellow Light:
The absorption of light by the eye is higher for shorter wavelengths. This means that the eye absorbs more yellow light than red light. Therefore, red light is more visible from a distance because it is not absorbed as much by the eye.
Scattering in Yellow Light is Less Than Red:
Scattering of light is the reflection of light in different directions. Yellow light scatters less than red light, so it travels a longer distance in air or water. This means that yellow light is more visible in clear conditions, such as a clear sky or water.
Conclusion:
In conclusion, the human eye is more sensitive to yellow light than red light because of the wavelength of red and yellow light, absorption of light by the eye, and scattering of light.
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The danger signals are red while the eye is more sensitive to yellow because-a)absorption in red is less than yellow and hence red is visible from a distanceb)scattering in yellow light is less than redc)the wavelength of red light is more than yellow lightd)None of the above reasonsCorrect answer is option 'C'. Can you explain this answer?
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