All of the following are correct, except: A Gamma rays can be used in the food industry to preserve food.

B X-rays, gamma rays, and ultraviolet
light can all be used in the healthcare field

C Ultraviolet light waves can be used to
sterilize items such as medical
equipment.

D. X-rays can be used to treat cancer and
sterilize medical equipment.

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.

Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy

How much energy must a refrigerator absorb from 225 g of water so that the temperature of the water will drop from 35°c to 5°c