What is the charge of a beta particle? 0 1– 2+ 4+
2 answers:
Answer: Option (b) is the correct answer.
Explanation:
A beta particle is a particle with a negatively charged electron. Symbol of a beta particle is .
An alpha particles is basically a helium nucleus and it contains 2 protons and 2 neutrons.
Symbol of an alpha particle is .
A gamma particle is basically a photon of electromagnetic radiation with a short wavelength.
Symbol of a gamma particle is .
Therefore, we can conclude that the charge of a beta particle is 1-.
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Answer:
2.52 x J
Explanation:
The energy given off by the microwave can be determined by the application of Planck's energy formula:
E = hf
where: E is the required energy, h is Planck's constant (6.626 x Kg/s), and f is the frequency (3.8 x
Hz).
So that;
E = 6.626 x x 3.8 x
= 2.51788 x
Therefore, the energy released by the wave is 2.52 x J.