When you look through a window, by what time interval is the light you see delayed by having to go through glass instead of air? make an order-of-magnitude estimate on the basis of data you specify. by how many wavelengths is it delayed?

Select the word from the list that best fits the definition classification of most stars on the h-r diagram

Alinearly polarized electromagnetic wave has an average intensity of 196 w/m^2. this wave is directed towards two ideal polarizers (in real polarizers, transmission is also effected by reflection and absorption). polarizer a is oriented with its transmission axis at an angle of θ_1=20.8∘ with the incident electric field. polarizer b has its axis at an angle of θ_2=63.0∘ with the incident electric field. what is the average intensity of the wave after it passes through polarizer a? what is the average intensity of the wave after it passes through polarizer b? suppose that the two polarizers a and b are interchanged. what would the average intensity be after passing through both polarizers?

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?