1. All electromagnetic waves can undergo reflection. a. State three properties common to all electromagnetic waves. b. Microwaves produced by a source travel at a speed of 3.0 x 10^8 m/sec and frequency of 1.5 x 10^10 Hz in vacuum. Calculate the wavelength of these microwaves. Mark the position of the waves in the following fig:

Automobile fuel efficiency is often measured in miles that the car can be driven per gallon of fuel (mpg). heavier cars tend to have lower fuel efficiencies (lower mpg ratings). which variable (weight or fuel efficiency) is most naturally considered the explanatory (predictor) variable in this context?

Which of the following changes will increase the capacitance of a parallel-plate capacitor? (there could be more than one correct choice.) a) increase the charge on the plates b) decrease the poten5al between the plates c) increase the potential between the plates d) introduce a dielectric material between the plates e) decrease the separation between the plates

Sunidhi made a study chart about changes in states of matter. which headings best complete the chart?