Quantitatively compare a 3.1 eV photon and a 3.1 eV electron by completing the following data table (attached). For any required calculation, be sure to include both your calculation and your answer. Assume: ℎ=6.63 × 10−34?•?; ?=3.00 × 108?/?; ??=9.11 × 10−31??
Quantitatively compare a 3.1 eV photon and a 3.1 eV electron by completing the following data table (attached). For any required calculation, be sure to include both your calculation and your answer. Assume: ℎ=6.63 × 10−34?•?; ?=3.00 × 108?/?; ??=9.11 × 10−31??
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Using your knowledge of these equations:
- Energy unit conversions between electron volts (eV) and joules, (J);
- Einstein's photon energy equation;
- Compton's momentum equation;
- de Broglie's wavelength equation
Quantitatively compare a 3.1 eV photon and a 3.1 eV electron by completing the following data table (attached). For any required calculation, be sure to include both your calculation and your answer.
Assume:
ℎ=6.63 × 10−34?•?;
?=3.00 × 108?/?;
??=9.11 × 10−31??
I attached my answers but am unsure. Especially about the electron speed, wavelengeth and momentum.
Transcribed Image Text:Property
Photon
Electron
Energy (J)
Rest mass (kg)
Speed (m/s)
Wavelength (m)
Momentum (kg•m/s)
Transcribed Image Text:Property
Photon
Electron
Energy (J)
= 3.leV x L60×10 "1
lev
= 3.leV x 160x10
lev
-19
= 4.96 x 10 -19J
= 4.96 x 10 -19
Rest Mass (kg)
= Okg
= 9.11 x 10 -31 kg
Speed (m/s)
c = 3.00 x 10 m/s
E = 4.96 × 10 -19 J
m = 9.11 x 10 -3 kg
v = ?
E = }mv ²
2E
2(4.96x10
9.11x10 "kg
-31
V1.09 x 10 12
= 1.04 x 10 “m/s
Wavelength (m)
h = 6.63 × 10 -34 J · s
c = 3.00 x 10 m/s
E = 4.96 x 10 -19 j
1 = ?
h = 6.63 x 10 -34 J .s
m = 9.11 x 10 -31kg
v = 1.04 x 10 m/s
1 = ?
E = kc
1 = he
(6.63x10 *s)(3.00x10 "m/s)
6.63x10 "Ls
(9.11x10 "kg)(1.04×10 "m/s)
-31
-34
4.96x10 1°
= 7.00 x 10 -10,
= 4.01 x 10 7m
Momentum ( kg · m/s)
h= 6.63 × 10 ¯3ª J·S
1 = 4.01 × 10 -7m
-34
m = 9.11 × 10 3'kg
v = 1.04 x 10 m/s
-31
p = ?
p = ?
p=
p = mv
= (9.11 × 10 -31 kg)(1.04 x 10 m/s)
= 9.47 x 10 2kg · m/s
= 6.63x10 34 s
4.01x10m
-25
1.65 x 10 2"kg m/s
-27
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