Generation of waves practice exercise 4

A child throws a small stone into a calm lake. The ripples spread but stop when they hit a dock post. What does this show about how wave motion interacts with obstacles?

A child throws a small stone into a calm lake. The ripples spread but stop when they hit a dock post. What does this show about how wave motion interacts with obstacles? (1 mark)

A child throws a small stone into a calm lake. The ripples spread but stop when they hit a dock post. What does this show about how wave motion interacts with obstacles? (1 mark)

A clothesline has wet clothes drying. When a strong wind blows steadily, a repeated wave pattern forms along the line. What is the best explanation for this regular wave motion?

A clothesline has wet clothes drying. When a strong wind blows steadily, a repeated wave pattern forms along the line. What is the best explanation for this regular wave motion?  (1 mark)

A clothesline has wet clothes drying. When a strong wind blows steadily, a repeated wave pattern forms along the line. What is the best explanation for this regular wave motion?  (1 mark)

A student notices that clothes on a clothesline flap rapidly during a windy afternoon but hang still early in the morning. What is the most likely reason for this wave-like motion?

A student notices that clothes on a clothesline flap rapidly during a windy afternoon but hang still early in the morning. What is the most likely reason for this wave-like motion?  (1 mark)

A student notices that clothes on a clothesline flap rapidly during a windy afternoon but hang still early in the morning. What is the most likely reason for this wave-like motion?  (1 mark)

After a bird lands and quickly flies off a thin tree branch, the branch bounces up and down a few times. What explains this wave-like movement in the branch?

After a bird lands and quickly flies off a thin tree branch, the branch bounces up and down a few times. What explains this wave-like movement in the branch?  (1 mark)

After a bird lands and quickly flies off a thin tree branch, the branch bounces up and down a few times. What explains this wave-like movement in the branch?  (1 mark)

After throwing a stone into a pond, a learner sees waves form and a nearby leaf move up and down without being carried away. What does this show about wave motion?

After throwing a stone into a pond, a learner sees waves form and a nearby leaf move up and down without being carried away. What does this show about wave motion? (1 mark)

After throwing a stone into a pond, a learner sees waves form and a nearby leaf move up and down without being carried away. What does this show about wave motion? (1 mark)

During a science experiment, learners notice the spoons and plates on a metal table begin to rattle whenever a heavy lorry drives past. What is the best explanation for these wave-like vibrations?

During a science experiment, learners notice the spoons and plates on a metal table begin to rattle whenever a heavy lorry drives past. What is the best explanation for these wave-like vibrations? (1 mark)

During a science experiment, learners notice the spoons and plates on a metal table begin to rattle whenever a heavy lorry drives past. What is the best explanation for these wave-like vibrations? (1 mark)

In the image, a drum has fine dust sprinkled on its surface. What happens when the drum is hit hard, causing a visible wave-like effect?

In the image below, a drum has fine dust sprinkled on its surface. What happens when the drum is hit hard, causing a visible wave-like effect? (1 mark)

In the image below, a drum has fine dust sprinkled on its surface. What happens when the drum is hit hard, causing a visible wave-like effect? (1 mark)

In the image below, a drum has fine dust sprinkled on its surface. What happens when the drum is hit hard, causing a visible wave-like effect? (1 mark)

In the image, students are seen stomping next to a rain puddle. What wave pattern would form on the water surface due to the stomping?

In the image, a girl is seen stomping next to a rain puddle. What wave pattern would form on the water surface due to the stomping? (1 mark)

In the image, a girl is seen stomping next to a rain puddle. What wave pattern would form on the water surface due to the stomping? (1 mark)

In the image, a girl is seen stomping next to a rain puddle. What wave pattern would form on the water surface due to the stomping? (1 mark)

The image shows a lamp hanging from a ceiling in a room where loud music is playing through big speakers. What wave-related effect is most likely to happen to the lamp?

The image below shows a lamp hanging from a ceiling in a room where loud music is playing through big speakers. What wave-related effect is most likely to happen to the lamp?  (1 mark)

The image below shows a lamp hanging from a ceiling in a room where loud music is playing through big speakers. What wave-related effect is most likely to happen to the lamp?  (1 mark)

When a speaker is playing loud music in a tiled room, the tiles nearest to the speaker vibrate slightly. What is the most likely cause of this wave-induced vibration?

When a speaker is playing loud music in a tiled room, the tiles nearest to the speaker vibrate slightly. What is the most likely cause of this wave-induced vibration?  (1 mark)

When a speaker is playing loud music in a tiled room, the tiles nearest to the speaker vibrate slightly. What is the most likely cause of this wave-induced vibration?  (1 mark)