Apendulum swings back and forth 5 times in 10 seconds what is the period of the pendulum?

Write the correct abbreviation for each metric unit

State the following: boyle's law and charle's law

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.