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How much is Planck's constant?

Updated: 12/11/2022
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15y ago

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To 3 significant figures: h = 6.63*10-34 J s If you have not encountered this type of notification, take 6.63 and divide it by 10 34 times. On your calculator type 6.63, then (usually) press "exp", then type "-34". ENSURE THAT UNITS ARE CONSTANT! This is done in SI units so energy is in Joules (Nm or Kgm2s-2) and seconds, so use: * Kilogrammes for Mass * Seconds for Time * Metres for Distance A suitable conversion system: * 1 parsec = 3.086333*1016 metres * 1 light-year = 9.46728*1015 metres * 1 astronomical unit (earth-sun distance) = 1.49*1011 metres * 1 year = 31557600 seconds * 1 day = 86400 seconds * 1 imperial ton = 1016.0416 kilogrammes * 1 short (US) ton = 907.18 kilogrammes * 1 mile = 1609.283 metres * 1 foot = 0.30479 metres * 1 yard = 0.914365 metres * 1 pound (lb) = 0.454 kilogrammes Hope this helps Paul Hurley

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Q: How much is Planck's constant?
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led is used to determine Plancks constant


Is gas constant equal to planks constant?

No, gas constant is having a value of 8.314Jk-1mol-1 Whereas plancks constant has a value of 6.6*10-31


What was Niels Bohr's formula?

(E) Photon=E2-E1= hv h=Plancks constant v=frequency


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Wavelength = Plancks constant / (Mass x Velocity)


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wavelength since frequency =hc/lambda h=plancks constant and c=velocity of light


What is the base unit of Plancks constant?

Planck's constant relates the energy level of radiation due to electrons moving from one energy level to another, by the formula Energy = (Planck's constant) x (frequency of radiation). Therefore the dimensions of Planck's constant are (energy)/(frequency) which means Joules x seconds In fact Planck's constant = 6.67 x 10-34 joule.seconds.


Which dimensional formula contains speed of light plancks constant and gravity?

Such a melange of dimensions would involve length3 mass2/time4 .Not only has it no physical significance, but, fortunately for all of us,there is no such formula.


If the frequency of ultraviolet light is 2.53 x 10 power of -7 plancks constant is 6.63 x 10 power of -34 and the work function is 3.6eV what is the maximum kinetic energy?

you need units


What is the energy of a photon having a frequency of 410E 7 hz?

use the equation E = hf where h is plancks constant E = 410E 7 * 6.63E -34 E = 2.7183E -23 joules


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How are the energy and frequency of electronmagnetic radiation related?

We need to know the equation E=h where h=plancks constant . From this equation you can see that energy and frequency are directly related ( one increases as the other one dicrease )


If the energy of an electron is found with Energy equals hc divided by lamda which contains only positive terms how can the energy of a bound electron be negative?

The h in the hc stands for plancks constant which is 6.63 x10^-34, which is negative. :)