A fluid is forced through a pipe of changing cross section as shown. In which section would the pressure of the fluid be a minimum?

How will the system respond to a temperature increase?

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat

State the below theories and give the name of the writer of the theory 1. wave theory 2. quantum theory 3. corpuscular theory 4. electromagnetic theory