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UPSC CDS I 2019 GK Paper

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Question : 60

Total: 120

If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as λ‌ultraviolet ‌, λ‌visible ‌ and λ‌infrared ‌ respectively, then which one of the following gives the correct relationship among these wavelengths?

λ‌ultraviolet ‌<λ‌infrared ‌<λ‌visible ‌
λ‌ultraviolet ‌>λ‌visible ‌>λ‌infrared ‌
λ‌ultraviolet ‌>λ‌infrared ‌>λ‌visible ‌
λ‌ultraviolet ‌<λ‌visible ‌<λ‌infrared ‌

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