Question

Help with the following:
1. An alpha particle is
A. an electron
B. a positron
C. a Helium nucleus
D. the first one to come out

2. A beta particle is
A. an electron
B. a positron
C. a Helium nucleus
D. the second to come out

3. A gamma ray is
A. an electron
B. a Helium nucleus
C. an energetic ray of invisible light
D. the 3rd to come out

Answer 1

Hey there!

let's do it one by one....what do you think for 1st one ?

Answer 2

I suppose the 1st question is C.
The 2nd is A or B.
And lastly the 3rd is C.

Answer 3

#1 \(\huge \checkmark\)

Answer 4

A positron i s an anti-particle of electron which has same mass as electron but carries a positive charge. Read this for Beta Particle.
http://www.epa.gov/radiation/understand/beta.html

Answer 5

got it?

Answer 6

So it's an electron! A?

Answer 7

\(\huge\checkmark\)

Answer 8

As for 3?

Answer 9

As ?

Answer 10

oh u mean Answer...

Answer 11

Hahah sorry yes. Was C for 3 wrong?

Answer 12

Gamma rays are actually High energy electromagnetic waves. We can say it invisile light rays cz it lies in the invisible region of white light spectrum.

Answer 13

got it?

Answer 14

that seemed like a check mark hahah

Answer 15

Yep....:)