How do you think the colored-film card changes the white light into colored light? Describe how you might test your ideas to see if they are correct.

What type of light does this light bulb produce most (i.e. at what wavelength does the spectrum have maximum intensity)?

Asubmarine has a "crush depth" (that is, the depth at which water pressure will crush the submarine) of 250 m. what is the approximate pressure (water plus atmospheric) at this depth? (recall that the density of seawater is 1025 kg/m3, g = 9.81 m/s2, and 1 kg/(ms2) = 1 pa = 9.8692 10-6 atm.) a. 34.8 atm b. 24.8 atm c. 25.8 atm d. 7.8 atm

Which of the following is an example of units for speed