Which of the following is not a type of energy conversion process?

a.

hydroelectric dam

c.

windmills

b.

solar cell

d.

all are energy conversion processe

these are the anser choices

it is to be noted that an alpha particle is an helium nucleus. so it contains 2 protons 2 neutrons and has a mass number of 4. when alpha decay particles are ejected from the nucleus it gets transformed into an atom which has atomic number less than 2 and a mass number less than 4.

an equation that could represent alpha decay is radium 226 decay of alpha particle forms radon 222.

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