Answer:
Explanation:
As per Heisenberg's uncertainty principle we know that
so here we have
now from above equation we have
Answer:
(a)
(b)
(c)
Explanation:
The Planck-Einstein relation allows us to know the energy (E) of a photon, knowing its frequency (f). According to this relation, the energy of the photon is defined as:
Here h is the Planck constant.
(a)
(b)
(c)
Since there is no decimal point in the number given above, the counting for the number of the significant figures will start from the left. Then, the first zero from the left is insignificant. Therefore, in this number there are 6 significant figures.
When a substance is heated, the molecules begin to vibrate faster and the space between molecules increases. So it would be speeding up.
Answer:
the answer is 20 neutrons
Explanation: