Carbon obtained from a sample of frozen skin in a glacier is found to have one-half the 14c-to-12c ratio of present-day carbon.
about how old is the skin? the half-life of 14c is 5730
1 answer:
You might be interested in
(a) f = 5.00 × 10²⁰ Hz, E = 3.32 × 10⁻¹³ J;
(b) f = 1.20 × 10¹⁰ Hz, E = 7.96 × 10⁻²⁴J.
<h3>Explanation</h3>What's the similarity between a gamma ray and a microwave?
Both gamma rays and microwave rays are electromagnetic radiations. Both travel at the speed of light at in vacuum.
where
- f is the frequency of the electromagnetic radiation,
- c is the speed of light, and
is the wavelength of the radiation.
(a)
Convert all units to standard ones.
.
The unit of shall also be standard.
.
For each particle,
,
where
is the energy of the particle,
is the planck's constant where
, and
is the frequency of the particle.
.
(b)
Try the steps in (a) for this beam of microwave with
.
Expect the following results:
, and
.