Questions from College Physics

Q: An f/2.80 CCD camera has a 105 -

An f/2.80 CCD camera has a 105 - mm focal length lens and can focus on objects from infinity to as near as 30.0 cm from the lens. (a) Determine the camera’s aperture diameter. Determine the (b) Minimu...

Q: A digital camera equipped with an f = 50.0 -

A digital camera equipped with an f = 50.0 - mm lens uses a CCD sensor of width 8.70 mm and height 14.0 mm. Find the closest distance from the camera to a 1.80 - m - tall person if the person’s full i...

Q: A camera is being used with a correct exposure at f/

A camera is being used with a correct exposure at f/4 and a shutter speed of 1/15 s. In addition to the f - numbers listed in Section 25.1, this camera has f - numbers f/1, f/1.4, and f/2. To photogra...

Q: Compare and contrast the eye and a camera. What parts of

Compare and contrast the eye and a camera. What parts of the camera correspond to the iris, the retina, and the cornea of the eye?

Q: What two speed measurements will two observers in relative motion always agree

What two speed measurements will two observers in relative motion always agree upon?

Q: Choose the option from each pair that makes the following statement correct

Choose the option from each pair that makes the following statement correct. For a farsighted person, the (a) Near point; (b) Far point is always located farther than (c) 1 m; (d) 25 cm from the eye a...

Q: With regard to reference frames, how does general relativity differ from

With regard to reference frames, how does general relativity differ from special relativity?

Q: Large telescopes are usually reflecting rather than refracting. List some reasons

Large telescopes are usually reflecting rather than refracting. List some reasons for this choice.

Q: You observe a rocket moving away from you. (i

You observe a rocket moving away from you. (i) Compared with its length when it was at rest on the ground, will you measure its length to be (a) Shorter, (b) Longer, or (c) The same? Compared to the p...

Q: It is said that Einstein, in his teenage years, asked

It is said that Einstein, in his teenage years, asked the question, “What would I see in a mirror if I carried it in my hands and ran at a speed near that of light?” How would you answer this question...