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sveta [45]
3 years ago
14

What happens to the shift in wavelength of the x rays if we increase the mass of the target?

Physics
1 answer:
andrew-mc [135]3 years ago
5 0

To solve this problem it is necessary to express the term of the wavelength of continuous x-rays according to the Planck constant, the speed of light, the charge of the electron and the voltage. This definition is expressed mathematically as

\lambda = \frac{hc}{eV}

Here,

h is Planck's constant

c is speed of light

e is charge of electron

V is the potential to which the electrons are accelerated.

From this definition we can see that the wavelength is independent of the mass of the target material. Therefore the wavelength will remain the same.

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Why would a person who weighs 100 lbs. on Earth weigh significantly more on Ju-piter?
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Answer:

Is a

Explanation:

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3 years ago
Determine the energy required to accelerate an electron from (a) 0.500c to 0.900c and (b) 0.900c to 0.990c
Lera25 [3.4K]

Answer:

0.582 MeV

2.45 MeV

Explanation:

E_r=0.511\ MeV=Electron rest energy

(a) 0.500c to 0.900c

W=\left(\frac{1}{\sqrt{1-\frac{v_f^2}{c^2}}}-\frac{1}{\sqrt{1-\frac{v_i^2}{c^2}}}\right)E_r\\\Rightarrow W=\left(\frac{1}{\sqrt{1-0.9^2}}-\frac{1}{\sqrt{1-0.5^2}}\right)0.511\\\Rightarrow W=0.582\ MeV

Energy required is 0.582 MeV

(b) 0.900c to 0.990c

W=\left(\frac{1}{\sqrt{1-\frac{v_f^2}{c^2}}}-\frac{1}{\sqrt{1-\frac{v_i^2}{c^2}}}\right)E_r\\\Rightarrow W=\left(\frac{1}{\sqrt{1-0.99^2}}-\frac{1}{\sqrt{1-0.9^2}}\right)0.511\\\Rightarrow W=2.45\ MeV

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6 0
3 years ago
Five ways to calculate speed without speedometer
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One way is speed=distance divided by time
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The coefficient of kinetic friction between Gary's shoes and the wet kitchen floor is 0.09. If Gary has a mass of 65 kg, what is
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Answer:

57 N

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Weight force mg pulling down.

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Sum of the forces in the y direction:

∑F = ma

N − mg = 0

N = mg

Friction force is the product of normal force and coefficient of friction:

F = Nμ

F = mgμ

F = (65 kg) (9.8 m/s²) (0.09)

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Rounded, the friction force is 57 N.

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Nadusha1986 [10]

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Explanation:

m × 10n, where m is a number between 1 and 10 ( 1 ≤ |m| < 10 ) and the exponent n is a positive or negative integer.

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3 years ago
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