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3 years ago

Why do X-Ray technicians stand behind a shield when giving X-Rays to patients?

2 answers:

7 0

Lol I just learned this, here's the short answer:
Large doses of X-Rays are known to cause cell damage and cancer, so
<span>X-Ray technicians have to stand behind the shield. Here's the lengthy answer:
</span> This is because the patient would only be exposed to the small dose of radiation once, which is hardly harmful. However, radiographers deal with this all day every day, which could mean that the small doses could add up. This is why they stand behind a lead screen; the small exposure to the X-Rays aren't harmful alone but frequent exposure could begin to damage your cells and lead to potential genetic mutation. If a patient is often in radiography (a long-stay patient for example), they begin to wear lead aprons whilst being X-rayed in order to prevent the risk of harm. Hope I answered correctly.

Mashcka [7]3 years ago

7 0

Answer:

because large doses of X-Rays are known to cause cell damage and cancers

Explanation:^^

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Which is the process by which a solid changes to a liquid?

rewona [7]

Answer:

chimical change...or phisical...one or the other...

Explanation:

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3 years ago

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rewona [7]

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3 years ago

Calculate the wavelength (in nm) of the blue light emitted by a mercury lamp with a frequency of 6.88 × 1014 Hz. The speed of li

Nezavi [6.7K]

Answer: 430 nm.

Explanation:

The relation of wavelength and frequency is:

Formula used : $\nu=\frac{c}{\lambda}$

where,

$\nu$ = frequency = $6.88\times 10^{14}Hz$

$\lambda$ = wavelength = ?

c = speed of light = $3.00\times 10^{8}m/s$

Now put all the given values in this formula, we get

$6.88\times 10^{14}=\frac{3.00\times 10^{8}m/s}{\lambda}$

$\lambda=\frac{3.00\times 10^{8}m/s}{6.88\times 10^{14}}=0.43\times 10^{-6}m=430m$ $(1nm=10^{-9}m)$

Thus the wavelength (in nm) of the blue light emitted by a mercury lamp is 430 nm.

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3 years ago

What would happen if a proton were added to the nucleus of the atom? (Check all that apply)

katen-ka-za [31]

Answer:

It would become a different element.

Explanation:

When you change the number of protons i.e, add a proton in the nucleus of an atom, you will change the atom from one element to a different element and also positive charge of the atom also increased by 1.

For example, adding a proton to the nucleus of an atom of hydrogen creates an atom of helium.

So, we conclude that by adding a proton the atom will change from one element to another element.

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3 years ago

3. (a) Sate any three properties of an ideal gas as assumed by the kinetic theory of gas.

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Explanation:

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2 years ago