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Author Question: A single slit of width a is illuminated by light of wavelength . If a = 4.3, the maximum number of ... (Read 104 times)

imowrer

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on: Aug 10, 2020

Question 1

A ruby laser beam (λ = 694.3 nm) is sent outwards from a 2.7-m diameter telescope to the moon, 384,000 km away. What is the radius of the big red spot on the moon?

◦
500 m

◦
250 m

◦
120 m

◦
1.0 km

◦
2.7 km


Question 2

A single slit of width a is illuminated by light of wavelength λ. If a = 4.3λ, the maximum number of dark fringes on a semi-circular screen surrounding the slit is

◦
2.

◦
4.

◦
6.

◦
8.

◦
9.
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Marked as best answer by imowrer on Aug 10, 2020

Kedrick2014

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Reply #1 on: Aug 10, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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imowrer

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Reply 2 on: Aug 10, 2020
Excellent

parker125

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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