58.0k views
4 votes
What is the approximate frequency of a photon having an energy 5 x 10^-24 J?

key: H = 6.6 x 10 ^-34 J·S
how do I solve this ?

User Leogreen
by
5.0k points

2 Answers

1 vote

frequency is 8x10-9

that dude was wrong

User Thyrst
by
6.1k points
4 votes

Answer:

f = 0.76 × 10¹⁰ Hz

Step-by-step explanation:

Given data:

Energy of photon = 5 × 10⁻²⁴ J

Frequency = ?

Solution:

Formula:

E = h. f

f = frequency of photon

h = planck constant

E = energy of photon

Now we will put the values in formula

E = h. f

f = E / h

f = 5 × 10⁻²⁴ J / 6.6 × 10⁻³⁴ J.s

f = 0.76 × 10¹⁰ s⁻¹

or

f = 0.76 × 10¹⁰ Hz (s⁻¹ = Hz)

User Signalpillar
by
5.4k points