3- In an electron diffraction experiment using graphite the larger ring formed by rows of carbon atoms 1.23 x 10-¹0 m apart was formed at an angle of 0.167 radian. a) What is the wavelength? [0 in radians =2 / b where b is the diffracting object size] b) Write an expression for the kinetic energy of an electron (½ mv²) in terms of its charge, and accelerating voltage V (c) Obtain an expression for momentum, p, in terms of e, V and m.
3- In an electron diffraction experiment using graphite the larger ring formed by rows of carbon atoms 1.23 x 10-¹0 m apart was formed at an angle of 0.167 radian. a) What is the wavelength? [0 in radians =2 / b where b is the diffracting object size] b) Write an expression for the kinetic energy of an electron (½ mv²) in terms of its charge, and accelerating voltage V (c) Obtain an expression for momentum, p, in terms of e, V and m.
Related questions
Question
Please explain
![3- In an electron diffraction experiment using graphite the larger ring formed by rows of
carbon atoms 1.23 x 10-¹0 m apart was formed at an angle of 0.167 radian.
a) What is the wavelength? [0 in radians =2 / b where b is the diffracting object size]
b) Write an expression for the kinetic energy of an electron (½ mv²) in terms of its charge,
and accelerating voltage V
(c) Obtain an expression for momentum, p, in terms of e, V and m.
(d) Plot Utherm[mV] versus T[K] graph in milimetric paper and verify the Stefan Stefan-
Boltzmann's law of radiation.
U[V]
1
2
3
4
5
6
7
8
I[A]
2.20
2.80
3.45
4.00
4.45
4.90
5.30
5.70
Utherm [mv]
0.15
0.62
1.30
2.20
3.20
4.45
5.90
7.50
T[K]
672
983
1160
1300
1430
1540
1630
1720](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3466ac47-a2a8-4e8e-a685-6b7d4a6b8dec%2F0c09eb72-bf43-4658-9857-b71b62402ed2%2Ffp0cyqa_processed.jpeg&w=3840&q=75)
Transcribed Image Text:3- In an electron diffraction experiment using graphite the larger ring formed by rows of
carbon atoms 1.23 x 10-¹0 m apart was formed at an angle of 0.167 radian.
a) What is the wavelength? [0 in radians =2 / b where b is the diffracting object size]
b) Write an expression for the kinetic energy of an electron (½ mv²) in terms of its charge,
and accelerating voltage V
(c) Obtain an expression for momentum, p, in terms of e, V and m.
(d) Plot Utherm[mV] versus T[K] graph in milimetric paper and verify the Stefan Stefan-
Boltzmann's law of radiation.
U[V]
1
2
3
4
5
6
7
8
I[A]
2.20
2.80
3.45
4.00
4.45
4.90
5.30
5.70
Utherm [mv]
0.15
0.62
1.30
2.20
3.20
4.45
5.90
7.50
T[K]
672
983
1160
1300
1430
1540
1630
1720
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 5 steps with 6 images
