Question

9. Calculate the binding energy for each nucleon of
Silver-109. The units of the result must be in MeV / nucleon.

The Silver-109 atomic mass is 101 444.78 MeV / C2

5.A ray of light travels from a transparent material to air.
The ray is refracted at an angle of 25o with respect to normal. The
beam travels at a speed of 2.20 x 108 m / s in the material.

Determine the angle of incidence

Answer #1

**Solution:**

From the information given,

9.) ^{109}Ag_{62}

m = [(62*1.007276) + (47*1.008664)] - 108.9047558 = 0.9535642

E =
mc^{2} = 888.245 MeV

Binding energy per nucleon , = E/109 = **8.15
MeV/nucleon.**

5.) First find the refractive index,

n = c/v = 3*10^{8}/2.2*10^{8} = 1.364.

Using snells law,

n_{air}Sin_{i}
= nSin_{r}

Sin
= 1.364Sin25^{o}

= **35.2 ^{o}.**

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6. A ray of light travels from a transparent material to air.
The beam is refracted at an angle of 25º to the normal. The beam
travels at a speed of 2.20 x 108 m/s in the material. Determine the
angle of incidence.
7. A ray of light travels from a transparent material to air.
The beam is refracted at an angle of 25º to the normal. The beam
travels at a speed of 2.20 x 108 m/s in the...

Calculate the binding energy per nucleon for each of the
following nuclei. (Use the table of atomic masses as
necessary.)
(a) 4He
_____ MeV
(b) 14N
_____ MeV
(c) 18O
_____ MeV
(d) 56Fe
_____ MeV

True or False?
A)Reflection is the description of the portion of a ray of light
that remains in the medium from which it originated after striking
the boundary of a different medium.
B)Refraction refers to the change in direction of the ray of
light entering a new medium.
C)The angle of incidence equals the angle of refraction.
D)Angles in optics are measured with respect to the surface.
E)The intensity of the reflected beam is greater than the
intensity of the...

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