thermodynamics

Which of the following statements is correct about nozzles and diffusers A nozzle leads to a pressure reduction with an increased velocity while a diffuser leads to a pressure increase with a lower velocity A nozzle leads to a pressure increase with an lower velocity while a diffuser leads to a pressure drecrease with a higher velocity A nozzle leads to a constant pressure with an no change in velocity while a diffuser leads to a pressure increase with a lower velocity A nozzle and a diffuser create no change in fluid flow