Applications of waves practice exercise 1

Course: Grade 9 Integrated Science - Force and Energy - Waves

Quiz Questions (27 questions)

Question 1

Explain how waves help Wi-Fi to connect devices in a home. (1 mark)

Question 2

Explain how waves help Wi-Fi to connect devices in a home. (1 mark)

Question 3

Explain how waves help Wi-Fi to connect devices in a home. (1 mark)

Question 4

How does cancer therapy use waves to help patients with terminal illnesses? (1 mark)

Question 5

How does cancer therapy use waves to help patients with terminal illnesses? (1 mark)

Question 6

How does cancer therapy use waves to help patients with terminal illnesses? (1 mark)

Question 7

Mention one way radar is used in day-to-day life. (1 mark)

Question 8

Mention one way radar is used in day-to-day life. (1 mark)

Question 9

Mention one way radar is used in day-to-day life. (1 mark)

Question 10

State one application of waves in a radio and explain how it helps the device to function. (1 mark)

Question 11

State one application of waves in a radio and explain how it helps the device to function. (1 mark)

Question 12

State one application of waves in a radio and explain how it helps the device to function. (1 mark)

Question 13

State one reason MRI scans are preferred when examining the brain and soft tissues. (1 mark)

Question 14

State one reason MRI scans are preferred when examining the brain and soft tissues. (1 mark)

Question 15

State one reason MRI scans are preferred when examining the brain and soft tissues. (1 mark)

Question 16

State one use of ultrasound in hospitals. (1 mark)

Question 17

State one use of ultrasound in hospitals. (1 mark)

Question 18

State one way waves are used in mobile phones. (1 mark)

Question 19

State one way waves are used in mobile phones. (1 mark)

Question 20

Refer to the image below of the CT scanner. Explain how this machine applies waves in the diagnosis of diseases. (1 mark)

Question 21

Refer to the image below of the CT scanner. Explain how this machine applies waves in the diagnosis of diseases. (1 mark)

Question 22

The diagram below shows a CT scanner. Explain how this machine applies waves in the diagnosis of diseases. (1 mark)

Question 23

Refer to the image below of the X-ray machine. State one use of X-ray waves in hospitals. (1 mark)

Question 24

Refer to the image below of the X-ray machine. State one use of X-ray waves in hospitals. (1 mark)

Question 25

The image below shows an X-ray machine. State one use of X-ray waves in hospitals. (1 mark)

Question 26

Look at the image below of the drone. State one use of drones in everyday life. (1 mark)\

Question 27

Look at the image below of the drone. State one use of drones in everyday life. (1 mark)\

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