Acity planner needs to make a model of the city . in real life, the tallest tree in the city is 40 feet . the shortest sherry in the city is 4 feet tall. if the tallest tree in the model is 10 feet tall, how tall is the shortest tree in the model
a. 10 feet
b. 1 foot
c. 0.1 feet
d. 7.5 feet

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.