Which of the following devices make use of the photoelectric effect?

a. digital cameras
b. photocopiers
c. laser printers
d. solar cells
e. all of the above


e

Physics & Space Science

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Which of the following is not a member of the low-cloud family?

a. Nimbostratus cloud b. Fog c. Stratus cloud d. Cirrus cloud

Physics & Space Science

The wavelength of a certain laser is 0.35 micrometers, where 1 micrometer = 1 × 10-6 m. Express this wavelength in nanometers

A) 3.5 × 102 nm B) 3.5 × 103 nm C) 3.5 × 101 nm D) 3.5 × 104 nm

Physics & Space Science

An automobile accelerates from zero to 36.72 m/s in 6.80 s. The wheels have a diameter of 0.450 m. What is the average angular acceleration of each wheel?

a. 12.0 rad/s2 b. 24.0 rad/s2 c. 33.6 rad/s2 d. 21.9 rad/s2 e. 18.0 rad/s2

Physics & Space Science

Measuring where the thermal radiation spectrum of a dense object peaks allows us to determine its

A) chemical composition B) physical size C) temperature D) distance

Physics & Space Science