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In photography fixed focal length means that the focal length is not adjustable. Photographers are unable to zoom in and out on a particular subject when using such a lens. Not being able to easily zoom in on a subject might seem like a huge disadvantage. But such lenses are credited with being able to produce much higher quality pictures in controlled settings.
In order for a film camera with a fixed focal length F to focus on an object located a distance x from the lens, the film must be placed a distance y behind the lens. F, y, and x are related as follows
1/F = 1/X + 1/y
Now suppose a camera has a lens with focal length F = 65.
1. Explain what happens to the focusing distance y as the object moves far away from the lens.
2. Explain what happens to the focusing distance y as the object moves closer and closer to the lens.
3. In general, why is it not possible to cross a vertical asymptote?
Water flows over a waterfall, which is 120 m high, at a rate of 1.30E+6 kg/s. If half the potential energy of this water were converted into electric energy, how much electric power would be produced by these falls?
Security in an organization does not reside in a silo; it is affected by other processes and vice versa. Therefore, security should be integrated into the overall IT process to make it effective.
drawing upon the design principles presented in the text, describe the features of user interface that will be most important to experienced users like Norma.
Classify computer systems according to capacity. How they are different from computers according to the classification of technology. Provide comparative study also.
Complete the printMonth(int numDays, int startDay) method below to print a calendar month. The parameters numDays and startDay show how many days are in the month, and which day of the week the month starts on
How do you specify a particular color to be used as fill when using the Graphics class?
The solution should be the vector x and flag which takes a value of 0 if the algorithm was executed completely and 1 if it wasn't.
Instructions: Your financial firm has a contract to provide a money transfer system using SMS technology for a global retail outlet chain. You have been selected to create a draft security policy for the new system utilizing the CIAA strategy. ..
Be sure to submit your homework in the WebTycho assignments folder no later than the due date listed in the syllabus.
Describe the scope and analyze how to control the scope
The temperature range to be converted is from -27°C to 100°C. Describe the circuit connection for a digital thermometer made up of the HCS12 and the LM35, and write a program to display temperature on the LCD.
Write a program that writes a series of random numbers to a file. Each random umber should be in range of 1 through 500. The application should let user specify how many numbers the file will hold.
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