Quiz

Pre-Assessment

Charlene Dinawanao 5 questions

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Questions in this quiz (5)

1Which two waves lie at the ends of the visible spectrum?
1. AInfrared and Ultraviolet rays
2. BRadio waves and Microwaves
3. CRadio waves and X-rays
4. DX-rays and Gamma rays
2In the visible spectrum, which color has the highest wavelength?
1. AA. Blue
2. BB. Green
3. CC. Red
4. DD. Violet
3Which property spells the difference between infrared and ultraviolet radiation?
1. AColor
2. BSpeed in Vaccum
3. CWavelength
4. DNone of the above
4A certain radio station broadcast at a frequency of 675 kHz. What is the wavelength of the radio waves?
1. A280 m
2. B324 m
3. C400 m
4. D444 m
5Which type of electromagnetic waves is used in radar?
1. AInfrared rays
2. BMicrowaves
3. CRadio waves
4. DUltraviolet rays