WorksheetsGrade 9 US Homework #4: Electromagnetic Spectrum
Total questions: 7
Worksheet time: 19mins
Which of the following electromagnetic radiation has the highest frequency
Radio Wave
Infrared Rays
Visible Light
X-rays
Which of the following electromagnetic radiations has the longest wavelength?
gamma rays
x-rays
ultraviolet rays
visible light
Calculate the wavelength of a radio wave that has a frequency of 2.0 x 10^6 Hz.
150 Hz
150 m
1.5 * 10^14 Hz
1.5 * 10^14 m
Which of the following is not an application of radio waves?
TV
Microwave Oven
Security Scanning
Radar System
Calculate the frequency of a radio wave that has a wavelength of 890 m.
33 Hz
430000 Hz
33700078 Hz
3.4 x 10^5 Hz
Calculate the wavelength of a radio wave that has a frequency of 400 000 Hz.
750 m
0.75 m
75 Hz
750 Hz
Electromagnetic radiations are considered:
Waves only
Stream of particles only
Both waves and stream of particles
