An electromagnetic wave has an magnetic field given by the expression B=(20.0μT) cos [kx + (2.70×10¹5 rad)t]2 and is traveling in the direction in vacuum. Determine the color of the light. (A) Red (B) Orange (C) Green (D) Purple (E) outside visible spectrum Determine an expression for the electric field of this wave as function of x and t. Microwaves 1 cm (B) 1.21 Far IR 1 mm 1000 um Thermal IR-100 um (C) 3.84 700nm Red Infra-red (A) E = (12.0kV / m) cos((9.0×106 m-¹)x - (2.7×10¹5 rad)t)(- ŷ) (B) E = (20.0kV/m) cos((2.7×10¹5 rad)x-(9.0×100 m¯¹)t) y (C) E = (30.0kV/m) cos((2.7x106m¹)x-(9.0×10¹5 rad)t) (D) E = (6.0kV/m) cos((9.0×106 m-¹)x-(2.7×10¹5 rad)t)(- ŷ) (E) E = (16.0kV/m) cos((2.7×10¹5 rad)x+(9.0×10°m¯¹)t)(− ŷ) 10 μm, Near IR 1μm 1000 nm 600nm Orange Visible (D) 3.19 100 nm Ultraviolet 500nm Green 10 n X-rays -1 nm 400nm Purple If the wave is reflected by a surface, find the pressure it exerts on the surface. Give an answer in units of 104 pascal. (A) 4.45 0.1 mm Wavelengths Gamma-rays 0.1 A (E) 6.85
An electromagnetic wave has an magnetic field given by the expression B=(20.0μT) cos [kx + (2.70×10¹5 rad)t]2 and is traveling in the direction in vacuum. Determine the color of the light. (A) Red (B) Orange (C) Green (D) Purple (E) outside visible spectrum Determine an expression for the electric field of this wave as function of x and t. Microwaves 1 cm (B) 1.21 Far IR 1 mm 1000 um Thermal IR-100 um (C) 3.84 700nm Red Infra-red (A) E = (12.0kV / m) cos((9.0×106 m-¹)x - (2.7×10¹5 rad)t)(- ŷ) (B) E = (20.0kV/m) cos((2.7×10¹5 rad)x-(9.0×100 m¯¹)t) y (C) E = (30.0kV/m) cos((2.7x106m¹)x-(9.0×10¹5 rad)t) (D) E = (6.0kV/m) cos((9.0×106 m-¹)x-(2.7×10¹5 rad)t)(- ŷ) (E) E = (16.0kV/m) cos((2.7×10¹5 rad)x+(9.0×10°m¯¹)t)(− ŷ) 10 μm, Near IR 1μm 1000 nm 600nm Orange Visible (D) 3.19 100 nm Ultraviolet 500nm Green 10 n X-rays -1 nm 400nm Purple If the wave is reflected by a surface, find the pressure it exerts on the surface. Give an answer in units of 104 pascal. (A) 4.45 0.1 mm Wavelengths Gamma-rays 0.1 A (E) 6.85
Chapter16: Electromagnetic Waves
Section: Chapter Questions
Problem 46P: A plane electromagnetic wave of frequency 20 GHz moves in the positive y-axis direction such that...
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An electromagnetic wave has an magnetic field given by the expression
B=(20.0μT) cos [kx +(2.70×10¹5 rad)]2
and is traveling in the direction in
vacuum.
Determine the color of the light.
(A) Red
(B) Orange
(C) Green
(D) Purple
(E) outside visible spectrum
Determine an expression for the electric
field of this wav function of x and t.
Microwaves 1 cm
(B) 1.21
Far IR 1000 um
1 mm
Thermal IR 100 um
(C) 3.84
Infra-red
10 μm
(A) Ē = (12.0kV / m) cos((9.0×100 m²¹)x - (2.7×10¹5 rad)t)(- ŷ)
(B) E = (20.0kV/m) cos((2.7×10¹5 rad)x-(9.0×10°m¯¹)t) y
(C) E = (30.0kV/m) cos((2.7×106m-¹)x-(9.0×10¹5 rad)t)
(D) E = (6.0kV / m) cos((9.0×106 m¯¹)x - (2.7×10¹5 rad)t)(– ŷ)
(E) Ē = (16.0kV / m) cos((2.7×10¹5 rad)x+(9.0×10°m¯¹)t)(− ŷ)
Near IR 1000 nm
1μm
700nm Red
600nm Orange
Visible
(D) 3.19
100 nm
Ultraviolet
500nm Green
10 nm
X-rays
1 nm
400nm Purple
If the wave is reflected by a surface, find the pressure it exerts on the surface. Give an answer in
units of 104 pascal.
(A) 4.45
0.1 pm
Wavelengths
Gamma-rays 0.1 A
(E) 6.85](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5f1b7c10-7ca4-413c-bb43-fe1a15020101%2F06613647-7075-4941-b3e4-589044aed5c4%2Fqg9oz4l_processed.png&w=3840&q=75)
Transcribed Image Text:4
An electromagnetic wave has an magnetic field given by the expression
B=(20.0μT) cos [kx +(2.70×10¹5 rad)]2
and is traveling in the direction in
vacuum.
Determine the color of the light.
(A) Red
(B) Orange
(C) Green
(D) Purple
(E) outside visible spectrum
Determine an expression for the electric
field of this wav function of x and t.
Microwaves 1 cm
(B) 1.21
Far IR 1000 um
1 mm
Thermal IR 100 um
(C) 3.84
Infra-red
10 μm
(A) Ē = (12.0kV / m) cos((9.0×100 m²¹)x - (2.7×10¹5 rad)t)(- ŷ)
(B) E = (20.0kV/m) cos((2.7×10¹5 rad)x-(9.0×10°m¯¹)t) y
(C) E = (30.0kV/m) cos((2.7×106m-¹)x-(9.0×10¹5 rad)t)
(D) E = (6.0kV / m) cos((9.0×106 m¯¹)x - (2.7×10¹5 rad)t)(– ŷ)
(E) Ē = (16.0kV / m) cos((2.7×10¹5 rad)x+(9.0×10°m¯¹)t)(− ŷ)
Near IR 1000 nm
1μm
700nm Red
600nm Orange
Visible
(D) 3.19
100 nm
Ultraviolet
500nm Green
10 nm
X-rays
1 nm
400nm Purple
If the wave is reflected by a surface, find the pressure it exerts on the surface. Give an answer in
units of 104 pascal.
(A) 4.45
0.1 pm
Wavelengths
Gamma-rays 0.1 A
(E) 6.85
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