A wave is a vibration in A) space. B) time. C) both of these D) none of the ...

Author Question: A wave is a vibration in A) space. B) time. C) both of these D) none of the ... (Read 68 times)

NguyenJ

Hero Member
Posts: 516

on: Jul 29, 2018

A wave is a vibration in

A) space.
B) time.
C) both of these
D) none of the above

Question 2

When an unstable nucleus decays by emitting an alpha particle, the atomic mass number A of the nucleus

A) increases by 4.
B) increases by 2.
C) decreases by 2.
D) decreases by 4.
E) remains unchanged.

peter

Sr. Member
Posts: 330

Reply #1 on: Jul 29, 2018

Answer to Question 1

Answer: C

Answer to Question 2

D

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