Describe the relation of Physics with mathematics

How is physics useful in geology and oceanogrpahy? (or) Describe the relation of Physics with geology.

Describe the relation of Physics with Psychology.

28 teachers of a school either teach mathematics or physics 20 of them mathematics white 4 teach both the subjects . The number of teachers teching physics only ,is

20 teachers of a school either teach mathematics or physics 12 of them mathematics while 4 teach both the subjects . The number of teachers teaching physics only ,is