The wavelength of which of the following is greater than that of visible light?
(a) x-ray
(b) infrared ray
(c) γ – ray
(d) ultraviolet ray
WBBSE
Class X
Physical Science
Light – Reflection and Refraction
01 Mark
2022
(b) Infrared ray
Explanation: Infrared rays have a longer wavelength than visible light, while X-rays, gamma (γ) rays and ultraviolet rays have shorter wavelengths than visible light.
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