Compare the energy input and output for nuclear fission and nuclear fusion.

Physics

1 answer:

Alisiya [41]4 years ago

3 0

Explanation:

Nuclear fission involves the spontaneous disintegration of a radionuclide.

In nuclear fusion, two light nuclides are combined to form a heavier one.

Both nuclear fusion and fission releases a very large amount of energy
Nuclear fusion releases by far more energy compared to nuclear fission.
It has more output energy.

Nuclear fission can occur spontaneous or when bombarded with particles. They require little energy input to activate them.

Nuclear fusion has a high activation energy because the energy barrier is very great. It occurs in the cores of stars at very high temperature and pressure.

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Simplified. The absorption spectra of ions have been used to identify the presence of the elements in the atmospheres of the sun

Nookie1986 [14]

Answer:

The answer is " $3.83 \times 10^9 \ m$ "

Explanation:

Z=2, so the equation is $E= \frac{-4B}{n^2}$

Calculate the value for E when:

n=2 and n=9

The energy is the difference in transformation, name the energy delta E Deduct these two energies

In this transition, the wavelength of the photon emitted is:

$\Delta E=2.18 \times 10^{-18} ( \frac{1}{4}- \frac{1}{81})$

$\lambda = \frac{h c}{\Delta E}$

$h ( Planck's\ constant) = 6.62 \times 10^{(-34)} \ Js \\\\ speed \ of \ light = 3 \times 10^{8} \ \frac{m}{s}\\\\= \frac{6.62 \times 10^{(-34)} \times 3 \times 10^ {8}}{2.18 \times 10^{-18}} (\frac{1}{4}- \frac{1}{81}) \\\\=3.83 \times 10^9 \ m\\\\$