Calculate the number of photons that would be contained in a laserpulse with a wavelength of 287 nm that contained 4.35 mJ of en
ergy. Plank's constant is 6.626 x 10-34 J•s. 2.87 x 10-7 photons 3.00 x 108 photons 1.59 x 10-16 photons 6.28 x 1015 photons 7.41 x 1012 photons
1 answer:
Answer:
3.46
⋅
10
−
19
J
Explanation:
The energy of a photon is proportional to its frequency,
You might be interested in
Answer:
Its geothermal energy.
Explanation:
hope this helps
(4) total number of valence electrons, because they exist in the same group.
The correct answer is
B.The elements all have three valence electrons
The scientist that was the first to use the telescope in astronomy was Newton
Answer:
E= -0.023V
Explanation:
find the solution below
