subject
Physics, 24.03.2020 20:06 sickomode2048

A wildlife photographer uses a moderate telephoto lens of focal length 135 mm and maximum aperture f/4.00 to photograph a bear that is 14.0 mm away. Assume the wavelength is 550 nm.

a. What is the width of the smallest feature on the bear that this lens can resolve if it is opened to its maximum aperture?
b. If, to gain depth of field, the photographer stops the lens down to f/22.0, what would be the width of the smallest resolvable feature on the bear?

ansver
Answers: 1

Another question on Physics

question
Physics, 21.06.2019 17:10
Aspring with a mass of 2 kg has a damping constant 14 kg/s. a force of 3.6 n is required to keep the spring stretched 0.3 m beyond its natural length. the spring is stretched 0.6 m beyond its natural length and then released. find the position of the mass at any time t. (assume that movement to the right is the positive x-direction and the spring is attached to a wall at the left end.)
Answers: 3
question
Physics, 21.06.2019 23:00
Pls pls pls pls ! describe, in your own words, how you found the epicenter of the earthquake.
Answers: 1
question
Physics, 22.06.2019 05:30
Utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must available hint(s)utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must pump water back into their cells to counter its loss due to osmosisactively pump water back out of their cells to counter its inflow due to osmosissynthesize membranes that are impermeable to substances that upset osmotic balanceactively pump salt back out of their cells to counter its inflow due to osmosis
Answers: 3
question
Physics, 22.06.2019 15:00
You want to lose weight and have been trying to decide which type of fad diet is best for you. you ask your doctor, who responds that a. fad diets are a temporary fix but generally don't have any side effects b. fad diets can be used several times a year to maintain a healthy weight c. fad diets can be risky for your health and, in the long run, do not work d. fad diets should never be used one right after the other; there should be a break between them select the best answer from the choices provided. a b c d
Answers: 1
You know the right answer?
A wildlife photographer uses a moderate telephoto lens of focal length 135 mm and maximum aperture f...
Questions
question
Social Studies, 08.09.2020 14:01