Write the conductivity number against each medium: (1) - electronic, (2) -ionic, (3) - mixed, (4) - own and impurity

a) electrolyte: b) gas: c) metal: d) semiconductor

A20 cm long spring is attached to a wall. the spring stretches to a length of 22 cm when you pull on it with a force of 100 n. what is the spring constant

How does the entropy of steam compare to the entropy of ice?

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.