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Shtirlitz [24]
3 years ago
13

An X-ray technician will place a lead cloth over parts of your body when taking an X-ray to protect your cells from being damage

d. Why do X-rays have the potential to harm your body but radio waves do not?
Chemistry
2 answers:
iren [92.7K]3 years ago
4 0
Radio waves have a lower frequency than x rays.
vichka [17]3 years ago
4 0

<u>Answer: </u>X-rays have shorter wavelength and high energy, therefore they affect more than radio waves.

<u>Explanation:</u>

Radio waves and X-rays are a type of electromagnetic waves which have both electrical and magnetic components associated with them.

X-rays have shorter wavelength than radio waves.

Relationship between the energy of the waves and the wavelength is given by Planck's equation, which is:

E=\frac{hc}{\lambda}

Where,

E = energy of the wave

h = Planck's constant

c = speed of light

\lambda = wavelength of the wave

From the above relation, energy is inversely related to the wavelength. As, the wavelength decreases, energy of the wave increases and vice-versa.

As, energy of the X-rays is more, they have high penetration power and hence, will harm the body more.

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6 0
2 years ago
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IceJOKER [234]

One thing to notice in the question is, we are asked about molecular oxygen that has formula O2 not atomic oxygen O.

As we are asked about molecular oxygen, we will answer the question in terms of number of molecules that are present in 16 grams of molecular oxygen.

To get the number of molecules present in 16 grams of O2, we will use the formula:

         No. of molecules = no. of moles x Avogadro's number (NA)-----  eq 1)

As we know:

                        The number of moles = mass/ molar mass of molecule

Here we have been given mass already, 16 grams and the molar mass of O2 is 32 grams.

Putting the values in above formula:

                                                    = 16/32  

                                                     = 0.5 moles

Putting the number of moles and Avogadro's number (6.02 * 10^23) in eq 1

                                No. of molecules = 0.5  x 6.02 * 10^23

                                   =3.01 x 10^23 molecules

or                 301,000,000,000,000,000,000,000 molecules

This means that 16 grams of 3.01 x 10^23 molecules of oxygen.

Hope it helps!

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