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anonymous
 one year ago
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anonymous
 one year ago
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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so when i put all the values in the calc i dont get excat answer as tht

dan815
 one year ago
Best ResponseYou've already chosen the best response.0http://www.wolframalpha.com/input/?i=4.14*10^15+*3*10^8%2F2.55

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0no i mean the answer is right but this is what i get when i put in the excat value

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.0what do you get?

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.0okay lets do by this way.....

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.0multiply by 4.14*3 . and in powers of 10, add 15 and 8, we get 7, isn't it

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.0now 4.14*3 we get 12.4, now divide it by 2.55.

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.0so total we have 4.87 * 10^7, isn't it? And you have a problem that it is 487, right?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Nanometer is 10^9, the answer you got was 10^7, so just some need to do conversion and you get the numbers.

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.0now listen carefully 1nm=10^9m, right? so,when we have 4.87*10^7 if we take it to nanometer, 100 is multiplied to 4.87

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.0and 100 is divided in 10th power to make it to nanometer.....

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.0so, you get 487*10^9, Got it?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0is their a single number i can just times by

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.0I didn't get you, single number?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yea like when we have somthing in grams we just divide by 1000 to get in kg

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.010^9 is 0.000000001 10^7 is 0.0000001

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0in my data shhet i have to h values one in ev and the other in J which one to use?

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.01eV=1.602*10^19 J

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.0you can convert and write anyone.... its your choice....

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0if the question is in ev then i use ev right

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.0yes.. ofcourse

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.0But you can use Joules, but it will just become complicated...

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i was doing these practive probs but wasnt getting the right answer doww

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0frequineces required for photoelectron emsiion in 400 THz

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.0ya, i will try ask

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0wavelength 500nm what is speed if excaping eletrons ?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0tell me waht u get for speed

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.0from which orbit are the electrons escaping?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0doesnt say anthing else

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0their was a work funstion 2.65*10^19

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.0ya work function....

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.0The minimum energy required to make an electron free from the metal is called the work function, right?

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.0okay I got it....... use this

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.0hc/lambda=workfunction+K.E

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.0K.E is kinetic energy

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.0and K.E=1/2mv^2

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.0so you can get v from here.... rest all data given h,c,lambda,mass of electron and work function

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.0just plug in the values... you will get the answer. Got it?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i tried i didnt get btw what u get

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.0so, do you have the answer with you? I will solve and ask you

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.09.33 * 10^21

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.0long calculation

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.0but the process is this way.... well I was of no use... sorry... I did my best....
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