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Marium
Questions (9)
How would I write this expression? Five more than the quotient of the money you earned this summer and twenty.
Money
4 answers
966 views
Two parallel wires both carry currents directed from left to right .A circular wire loop lies in the plane of the two wires,
mid-
1 answer
500 views
Q1) If there are 100 radioactive atoms with a half-life of 30 seconds, how many radioactive atoms will remain after one
0 answers
795 views
An oil droplet with a mass of 3.50 x 10^-15 kg accelerates downward at a rate of 2.50 m/s2 when it is between two horizontal
2 answers
1,082 views
If a metal with a threhold frequency of 1.1 x 10^15 Hz is illuminated by light with a wavelength of 170 nm, then the maximum
2 answers
882 views
I have solved the following question but i am not sure whether it is right or wrong..
Calculate the molar heat of reaction for
2 answers
766 views
Calculate the molar heat of reaction for the NaOH(aq) using the data obtained from this experiment. (this is a neutralization
0 answers
1,399 views
Q)1 : Alpha particles travel through a magnetic field of 0.360T and are deflected in an arc of 0.0820m. Assuming the alpha
3 answers
2,291 views
Electrons are ejected from a photoelectric cell with a maximum kinetic energy of 1.20 eV. If the incident light has a wavelength
4 answers
1,411 views
Answers (6)
I just figured that out but thank you very much! :)
even if i try hc/wavelength - Threshold frequency i still don't get the right answer
could it be that H needs to be negative??
do i use the value of q/m ratio?? and thank u =)
oh okay thank u =)
yes that is what i did..and the answer i got is 2.93 x 10^-19 .. but i think its wrong :S
