Physics 1 Questions & Answers

Physics 1 Questions & Answers A bouquet has 30 flowers. The size of the bouquet is decreased by a factor of 3. How many flowers remain? A. 27 B. 0 C. 10 D. 15 - CORRECT ANSWER- C A force is applied to a surface. If the force is tripled and the surface area over which the force is applied is also tripled, what is the new pressure? A. three times larger than the original B. one third of the original C. six times more than the original D. unchanged - CORRECT ANSWER- D A pair of waves are in phase. What occurs when these waves interfere? A. reflection B. constructive interference C. refraction D. destructive interference - CORRECT ANSWER- B A sack contains 6 pounds of flour. The contents of the bag are increased by a factor of 5. How much flour is in the bag? A. 6 pounds B. 11 pounds C. 60 pounds D. 30 pounds - CORRECT ANSWER- D A sonographer measures the perimeter of an anatomical structure. Which of the following choices is a reasonable value for the measurement? A. 6 cm2 B. 5 cc C. 15 mm D. 18 dB - CORRECT ANSWER- C