This topic contains a solution. Click here to go to the answer

Author Question: A camera used for aerial surveillance has a lens with a 30-cm maximum aperture and a 42-cm focal ... (Read 253 times)

jc611

  • Hero Member
  • *****
  • Posts: 552
A camera used for aerial surveillance has a lens with a 30-cm maximum aperture and a 42-cm focal length.
 
  Assume light of 550-nm wavelength is used and that the resolution of the camera is limited solely by diffraction. What is the angular resolution of the camera at maximum aperture?
  A) 2.2 rad B) 1.6 rad C) 6.3 rad D) 3.2 rad E) 4.5 rad

Question 2

What buoyant force does a 0.60-kg solid gold crown experience when it is immersed in water? The density of gold is 19.3  103 kg/m3 and that of water is 1000 kg/m3.
 
  A) 3.0  10-5 N
  B) 3.0  10-4 N
  C) 3.0  10-2 N
  D) 0.30 N


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bbburns21

  • Sr. Member
  • ****
  • Posts: 336
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.
Answer Preview
Only 25% of students answer this correctly



jc611

  • Hero Member
  • *****
  • Posts: 552
Both answers were spot on, thank you once again




 

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

For a complete list of videos, visit our video library