Description : What is the The chemical part of the dye that absorbs light and produces colour called? -Do You Know?
Last Answer : answer:
Description : A dye absorbs a photon of wavelength `lambda` and re`-` emits the same energy into two phorons of wavelengths `lambda_(1)` and `lambda_(2)` respective
Last Answer : A dye absorbs a photon of wavelength `lambda` and re`-` emits the same energy into two phorons of wavelengths ` ... 2))/((lambda_(1)+lambda_(2))^(2))`
Description : 10.(a) An ore on treatment with dilute hydrochloric acid produces brisk effervesces. What type of ore is this? What steps will be required to obtain metal from the enriched ore. , (b) ... in coin and colour of the solution ? Write balanced chemical equation of the reaction involved. -Chemistry
Last Answer : (a) Carbonate ore: (i) Calcination: Carbonate ore is heated in limited supply of air and oxide is obtained, e.g. (b) Copper, being more reactive than silver will displace silver from silver nitrate ... and there will be deposition of silver on copper coin. The colour of solution will turn to blue.
Description : What colour should my friend whom is asian dye her hair?
Last Answer : To be honest with you I’m sick of seeing beautiful-exotic Asian girls with blonde unnatural hair. But the question is..what does she want to dye her hair? If she is unsure she shouldn’t do it.
Description : What is the best term to describe a chemical reaction that absorbs heat energy?
Last Answer : What is the answer ?
Description : When chlorophyll absorbs light, what does it gets excited and emits? -Do You Know?
Description : What does an object look like when it absorbs all the light ?
Last Answer : An object appears black when it absorbs all the light.
Last Answer : Black absorbs more light.
Description : (a) `[Ti(H_(2)O)_(6)]^(3+)` absorbs light of wavelength 5000Å. Name one ligand which would form a titanium (III) complex absorbing light to lower wave
Last Answer : (a) `[Ti(H_(2)O)_(6)]^(3+)` absorbs light of wavelength 5000Å. Name one ligand which would form a titanium (III) ... ^(3+)" " (iv) [Pd(en)_(2)]^(2+)`
Description : What plant organ absorbs the most light for photosynthesis?
Last Answer : the chloroplast
Description : What would happen if gases absorbs visible light?
Last Answer : Earth's atmosphere does have greenhouse gases. These gases absorb some of the infrared radiation emitted by Earth's surface. If it did not, Earth would grow warmer and warmer as it absorbed more and more solar radiation. Greenhouse gas molecules absorb and emit infrared radiation.
Description : A pl ant leaf appears to be green because it (a) Absorbs green light (b) Reflects all but yellow and blue light (c) Reflects green light (d) Absorbs red and yellow light
Last Answer : Ans:(c)
Description : Which of the following plant pigments absorbs in red and far-red region of light? (1) Carotenoide (2) Chlorophyll (3) Phytochrome (4) elyptochrome
Last Answer : (3) Phytochrome Explanation: Phytochrorne is a photoreceptor, a pigment that plants use to detect light. It is a protein with a bilin chromophore. It detects mainly red and far-red region of the visible spectrum and regulates germination of seeds.
Description : Which surface absorbs all forms of light and heat?
Last Answer : black surface
Description : Sodium fluorescein: a. has a higher affinity for plasma protein than indocyanine green. b. does not leak from the choroidal vasculature. c. does not leak from normal retinal vasculature. d. emits light of longer wavelengths than the one it absorbs
Last Answer : does not leak from normal retinal vasculature.
Description : A pigment which absorbs red and far-red light is (a) cytochrome (b) xanthophyll (c) phytochrome (d) carotene.
Last Answer : (c) phytochrome
Description : Which pigment absorbs the red and far-red light? (a) Cytochrome (b) Phytochrome (c) Carotenoids (d) Chlorophyll
Last Answer : (b) Phytochrome
Description : Which of the following plant pigments absorbs in red and farred region of light? (1) Carotenoide (2) Chlorophyll (3) Phytochrome (4) Cryptochrome
Last Answer : Phytochrome
Description : How do you get chemical dye off your skin?
Last Answer : Skin peels constantly. It will go away with time.
Description : Is henna more preferred over chemical hair dye?
Last Answer : Henna is more gentle on the hair but smells awful and offers only a limited range of colors.
Description : The increasing amount of CO2 in the atmosphere is slowly raising its temperature because it absorbs (a) the infrared part of the solar radiation (b) the ultraviolet part of the solar radiation (c) all the solar radiations (d) the water vapour of the air
Last Answer : Ans:(a)
Description : A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth's atmosphere, which absorbs it. (A) Hydrogen (B) Carbon dioxide (C) Ozone (D) None of these
Last Answer : (C) Ozone
Description : A major difference between light cured and chemical cured composite is that during setting or in function the light cured material tends to:******** VERY IMP A. Seal the margins better and ... on time C. Undergo greater colour change D. Shrink more rapidly E. Posses greater fracture toughness
Last Answer : D. Shrink more rapidly
Description : Can I dye light peach curtains to off white?
Last Answer : No, you’d have to remove the peach dye, and even if you could (say, with bleach), they wouldn’t be white—more like cream or even yellow, depending on their fabric content.
Description : The reason why materials appear colored is (a) The selective absorption of spectral colors (b) The interaction between the light and the electrons of the dye molecules (c) The composition of the white light from various spectral colors (d) All of these
Last Answer : All of these
Description : The nurse advises the patient undergoing photodynamic therapy (PDT) for macular degeneration to avoid exposure to direct sunlight or bright lights for a) the first five days after the procedure. ... should avoid exposure to direct sunlight or bright lights for the first five days post-treatment.
Last Answer : a) the first five days after the procedure. Photodynamic therapy includes the use of verteporfin, a light-activated dye. The dye within the blood vessels near the surface of the skin could ... days post-treatment. Inadvertent sunlight exposure can lead to severe blistering of the skin and sunburn.
Description : In nitroprusside test, amino acid cysteine produces a: (A) Red colour (B) Blue colour (C) Yellow colour (D) Purple colour
Last Answer : Answer : A
Description : In Nitroprusside test, amino acid cystein produces (A) Blue colour complex (B) Red colour (C) Yellow colour (D) Purple colour
Last Answer : Answer : B
Description : The process by which a substance absorbs moisture upon exposure to the atmosphere is called: w) efflorescence x) deliquescence y) dehydrogenation z) desalination
Last Answer : ANSWER: X -- DELIQUESCENCE
Description : Can thick diapers absorbs much more than a thin diaper?
Last Answer : Put one of each on, soil yourself, and post some pictures. Then we can make that determination.
Description : A black surface absorbs more heat radiations as compared to a white or a reflecting surface under identical conditions. List two solar devices which make use of this property in their design. -Science
Last Answer : Solar cooker, solar water heater.
Description : which object absorbs the most sound waves?
Last Answer : earplugs
Description : In which process of plant protoplasm and cell wall absorbs water ?
Last Answer : The plant absorbs water in the process of protoplasm and cell wall adsorption.
Description : Which element in the atmosphere absorbs ultraviolet rays ?
Last Answer : Ozone in the atmosphere absorbs ultraviolet rays.
Description : Which animal absorbs water through its skin ?
Last Answer : Molecule absorbs water through the skin.
Description : Which element absorbs water vapor ?
Last Answer : : The solid absorbs the main water vapor
Description : If a gas absorbs `200J` of heat and expands by `500 cm^(3)` against a constant pressure of `2 xx 10^(5) N m^(-2)`, then the change in internal energy
Last Answer : If a gas absorbs `200J` of heat and expands by `500 cm^(3)` against a constant pressure of `2 xx 10^(5) N ... . `-100 J` C. `+100 J` D. None of these
Description : A piston filled with `0.04` mole of an ideal gas expands reversible from `50.0mL` at a constant temperature of `37.0^(@)C` . As it does so, it absorbs
Last Answer : A piston filled with `0.04` mole of an ideal gas expands reversible from `50.0mL` at a constant temperature of `37. ... J` D. `q= +208 J, w=+208 J`
Description : A system absorbs reversibly 600 J of heat and performs 250 J of work. The increase in the internal energy of system is :-
Last Answer : A system absorbs reversibly 600 J of heat and performs 250 J of work. The increase in the internal energy of system ... J B. 250 J C. 600 J D. 350 J
Description : A `[M(H_(2)O)_(6)]^(2+)` complex typically absorbs at around 600 nm. It is allowed to react with ammonia to form a new complex `[M(NH_(3))_(6)]^(2+)`
Last Answer : A `[M(H_(2)O)_(6)]^(2+)` complex typically absorbs at around 600 nm. It is allowed to react with ammonia ... A. 800 nm B. 580 nm C. 620 nm D. 320 nm
Description : `""_(92)U^(235)` nucleus absorbs a neutron and disintegrates into `""_(54)Xe^(139) .""_(38)Sr^(94)` and X. What will be the product X ?
Last Answer : `""_(92)U^(235)` nucleus absorbs a neutron and disintegrates into `""_(54)Xe^(139) .""_(38) ... B. 2-neutrons C. `alpha`-particles D. `beta`-particle
Description : A hydrogen atom in ground state absorbs a photon of ultraviolet radiation of wavelength `50 nm` Assuming that the entire photon energy is taken up by
Last Answer : A hydrogen atom in ground state absorbs a photon of ultraviolet radiation of wavelength `50 nm` ... what kinetic energy will the electron be ejected?
Description : What is the name for the structure that absorbs energy from the sun in a cell?
Last Answer : it is a chloroplast
Description : In a forest community a shelf fungus and a slug live on the side of a decaying tree trunk. The fungus digests and absorbs materials from the tree while the slug eats algae growing on the outside of?
Last Answer : Need answer
Description : What is A device that absorbs and draws heat from a hot object dispersing it into the surroundings is which one of the following?
Description : What material absorbs electromagnetic waves best?
Last Answer : That varies A LOT depending on the frequency of the wave. Thereare huge differences in things like absorption, between radiowaves, visible light, gamma rays, etc.
Description : What type of surfaces absorbs heat?
Last Answer : Dark, rough, and/or porous surfaces absorb the most heat (ex.Asphalt)
Description : What is organelle absorbs energy from the sunlight and uses it to make food?
Last Answer : Feel Free to Answer
Description : Is a type of weathering where rock is broken down as it absorbs?
Description : What pigment absorbs when photosynthesis begins?