3S-1 A line of 3 point sources of light is a distance D from a screen as shown below. three. sources D screen At point P on the screen directly in front of the three sources, the waves from all three sources arrive in phase with each other and the phasor diagram looks like: A₁ A₂ A3 Apet The difference in phase between phasors from adjacent sources is 0°. Also, the difference in phase between Act and A₁ is 0°. (The net amplitude in this case is Anet-3A where 'A' is the amplitude of each
3S-1 A line of 3 point sources of light is a distance D from a screen as shown below. three. sources D screen At point P on the screen directly in front of the three sources, the waves from all three sources arrive in phase with each other and the phasor diagram looks like: A₁ A₂ A3 Apet The difference in phase between phasors from adjacent sources is 0°. Also, the difference in phase between Act and A₁ is 0°. (The net amplitude in this case is Anet-3A where 'A' is the amplitude of each
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![3S-1 A line of 3 point sources of light is a distance D from a screen as shown below.
three.
sources
D
screen
At point P on the screen directly in front of the three sources, the waves from all three sources arrive in
phase with each other and the phasor diagram looks like:
A₁
A₂
A3
Apet
The difference in phase between phasors from adjacent sources is 0°. Also, the difference in phase
between Anct and A₁ is 0°. (The net amplitude in this case is Anci-3A where 'A' is the amplitude of each
of the 3 individual phasors.)
a) Sketch the phasor diagram for the waves arriving at the screen from the three sources at a point on
the screen where the difference in phase between phasors from adjacent sources is 45°. Show on
your figure an arrow that represents Anet and the angle of Anet from the first phasor. Write the
numerical value of 0 on the figure. (You don't need to find Anct in terms of 'A').
b) Repeat step a) for a difference in phase between phasors from adjacent sources of 90°.
c) Repeat step a) for a difference in phase between phasors from adjacent sources of 120°.
d) Repeat step a) for a difference in phase between phasors from adjacent sources of 180°.
e) Repeat step a) for a difference in phase between phasors from adjacent sources of 240°.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9496fb66-15f0-4d2e-bc7e-ca3bb9b70577%2F2499e184-0b9e-4338-9a9c-c0b36c087c9a%2F2pi2jwp_processed.png&w=3840&q=75)
Transcribed Image Text:3S-1 A line of 3 point sources of light is a distance D from a screen as shown below.
three.
sources
D
screen
At point P on the screen directly in front of the three sources, the waves from all three sources arrive in
phase with each other and the phasor diagram looks like:
A₁
A₂
A3
Apet
The difference in phase between phasors from adjacent sources is 0°. Also, the difference in phase
between Anct and A₁ is 0°. (The net amplitude in this case is Anci-3A where 'A' is the amplitude of each
of the 3 individual phasors.)
a) Sketch the phasor diagram for the waves arriving at the screen from the three sources at a point on
the screen where the difference in phase between phasors from adjacent sources is 45°. Show on
your figure an arrow that represents Anet and the angle of Anet from the first phasor. Write the
numerical value of 0 on the figure. (You don't need to find Anct in terms of 'A').
b) Repeat step a) for a difference in phase between phasors from adjacent sources of 90°.
c) Repeat step a) for a difference in phase between phasors from adjacent sources of 120°.
d) Repeat step a) for a difference in phase between phasors from adjacent sources of 180°.
e) Repeat step a) for a difference in phase between phasors from adjacent sources of 240°.
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