Electromagnetic Waves Quiz

Which property of electromagnetic waves allows them to be used for communication purposes?

• Speed

• Wavelength

• Frequency

• Amplitude

Which color of light has the shortest wavelength?

• Red

• Blue

• Green

• Yellow

What is the main application of infrared waves?

• Cooking food

• Remote controls

• X-ray imaging

• Radio broadcasting

Which property of electromagnetic waves is responsible for the phenomenon of polarization?

• Reflection

• Refraction

• Interference

• Transverse nature

What is the frequency range of radio waves in the electromagnetic spectrum?

• 3 Hz to 30 Hz

• 3 kHz to 30 kHz

• 3 MHz to 30 MHz

• 3 GHz to 30 GHz

Which property of electromagnetic waves allows them to be focused to a point using a lens?

• Reflection

• Refraction

• Diffraction

• Interference

What is the nature of electromagnetic waves?

• Mechanical waves

• Transverse waves

• Longitudinal waves

• Sound waves

Which property of electromagnetic waves is responsible for the phenomenon of total internal reflection?

• Reflection

• Refraction

• Interference

• Diffraction

Which of the following is not a part of the electromagnetic spectrum?

• X-rays

• Gamma rays

• Sound waves

• Radio waves

Which property of electromagnetic waves determines their color in the visible spectrum?

• Amplitude

• Frequency

• Wavelength

• Speed