Microwave Oven Wave Behavior

Which term refers to the bending of light rays when they encounter the edge of a barrier?

• interference

• reflection

• refraction

• diffraction

Microwave ovens are used in both restaurants and homes to heat and cook food quickly. Occasionally, the ovens do not heat food evenly. Which wave behavior would best explain this uneven heating?

• diffraction

• the Doppler effect

• resonance

• interference

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which of the following statements about how sound waves travel is correct?

• Sound waves travel faster through solids than through liquids.

• Sound waves travel faster through gases than through solids.

• Sound waves travel fastest through liquids and the slowest through solids.

• Sound waves travel the fastest through gases and the slowest through liquids.

What is the change in the direction of a wave when it passes obliquely from one medium to another called?

• refraction

• interference

• diffraction

• superposition

Tags

NGSS.MS-PS4-2

What factor most affects the speed of a sound wave?

• intensity of the medium

• properties of the medium

• amplitude of the sound waves

• frequency of the sound waves

Tags

NGSS.MS-PS4-2

Which of the following best describes diffraction?

• the bending of a wave as it crosses the boundary between two materials

• the bending of a wave as it reflects from a rough surface

• the bending of a wave as it goes around, or passes through, openings in a barrier

• the bending of a wave as it reflects from a smooth surface

Which type of interference will occur when the pulses in the figure meet?

• no interference

• constructive interference

• total interference

• destructive interference

Tags

NGSS.MS-PS4-1

Which type of wave interaction is best demonstrated in the picture ?

• reflection

• interference

• refraction

• diffraction

Tags

NGSS.MS-PS4-2