PS4C - Information Technologies and Instrumentation
Interactive Video
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Science
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Hard
Wayground Resource Sheets
FREE Resource
4 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which part of the electromagnetic spectrum is the only one that humans can see?
Radio waves
X-rays
Visible light
Gamma rays
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of wave is used by an ultrasound machine to create images of a baby inside its mother?
X-rays
Radio waves
Sound waves
Visible light
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What effect do lenses have on light rays that pass through them?
They make light disappear.
They change the color of light.
They bend the light.
They speed up the light.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do modern computers and smartphones primarily transmit information compared to older analog devices like a telephone or radio?
They use only visible light.
They convert information into digital signals (zeros and ones).
They transmit information through physical wires only.
They only use sound waves.
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