The resolution of a camera or other optical system is determined by the relationship between what two scales?
1 answer:
Answer:
d.The wavelength of light and the size of the aperture
Explanation:
<em>The resolution power of an optical system is the smallest distance between two points that the device can distinguish clearly.</em>
It has the following relationship:
where:
r = minimum resolvable distance
n = numerical aperture
= wavelength of the light used for viewing
From above mathematical equation it is clear that:
- Smaller the wavelength better the resolving power
- Larger the aperture better the resolution
(Note, that smaller the value of "r" the more finer details of the image visible through the device.)
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Explanation:
Problem 1.
Initial speed of the runner, u = 0
Acceleration of the runner,
Time taken, t = 100 s
Let v is the speed of the runner now. Using the first equation of kinematics as :
v = 420 m/s
Problem 2.
Initial speed of the plane, u = 0
Distance covered, d = 300 m
Time taken, t = 25 s
Using the equation of kinematics as :
Problem 3.
A ball free falls from the top of the roof for 5 seconds. Let it will fall at a distance of d. It is given by :
d = 122.5 meters
Let v is the final speed at the end of 5 seconds. Again using first equation of kinematics as :
v = 49 m/s
Hence, this is the required solution.