Clara and Eli used materials they could find at home to make a simple seismograph, As Clara pulls the strip of paper through the seismograph, Eli gently shakes the table.
Make a prediction. What will happen to the paper as Eli shakes the table?

Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.