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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- IIT JAM
- Geology (GG)
True or false: a. microwaves are more powerful than ultra-v1olet waves. b. chlorophyll in green vegetation absorbs mainly in the visible region of the emr spect
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Rahul kumar
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a. (False): Micro-waves are less powerful than than ultraviolet radiations. Microwaves are higher wavelength radiations than ultraviolet. Wavelength is inversely proportional to the energy (power) of radiation. So, ultraviolet (low wavelength) radiations have higher energy (power) than that of microwaves (higher wavelength) energy. b. (True): Chlorophyll absorbs light in the red (long wavelength) and the blue (short wavelength) regions of the visible light spectrum. Green light is not absorbed but reflected, making the plant appear green. Chlorophyll is found in the chloroplasts of plants. Refer to the attached figure for absorption spectrum of Chlorophyll.
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Sajan sarthak![best-answer]()
a.Microwaves are not more powerfull as it's frequency is lower so energy will be also low. as E=hf we know so False b.yes it's true chlorophyll absorbs green and red visible ray for photo synthesis.so true.