Someone pls - calculate the total energy in the 1.5x10^13 photons of gamma radiation having wavelength of 3.0x10^-12

Explanation:

Photons are quanta of light (electromagnetic radiation).

The energy of a photon can be determined using the Planck-Einstein's equation:

Where:

Substituting the data in the equation, you get:

Since that is the energy of one photon, multiply by the number of photons to get the total energy:

0.99 J (rounded to two significant figures).

Total energy is 9.932 × 10^-1 Joules

Using the concept on energy of photons

Energy of a photon, E, is given by;

E = hf, where h is the plank's constant and f is the frequency of the radiation.

But, since frequency is given by dividing the velocity, c, by wavelength, λ,

Then; E = hc/λ

In this case; we are given more than one photons.

Therefore;

Energy = n × hc/λ , where n is the number of photons

Given;

n (the number of photons) = 1.5x10^13 photons

h (plank's constant) = 6.626× 10^-34 J/s

c (speed of light in vacuum) = 2.998 x 10^8 m/s

λ (wavelength of the radiation) = 3.0x10^-12 m

We can calculate energy;

     Energy =  (nhc)/λ ,

                  = 9.932 × 10^-1 Joules

Thus the total energy in the 1.5x10^13 photons is 9.932 × 10^-1 Joules

the volume increases

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explanation:

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