Q1 G10 EM Waves

Ultraviolet has the highest frequency.

• True

• False

What is the major source of EM waves on Earth?

• air

• sun

• atom

• bulb

Which of the following is NOT an electromagnetic wave?

• Sound wave

• Infrared wave

• Gamma wave

• Radio wave

Which electromagnetic wave has the highest frequency?

• X-rays

• Radio wave

• Visible light

• Gamma rays

Moving along the spectrum from radio waves to gamma rays, which of the following decreases?

• speed

• energy

• frequency

• wavelength

Moving along the spectrum from radio waves to gamma rays, which of the following remains the same for all EM waves?

• speed

• energy

• frequency

• wavelength

All electromagnetic waves travel at the same speed in a vacuum.

• True

• False

Which waves have some electrical properties and some magnetic properties?

• Mechanical waves

• Transverse waves

• Electromagnetic waves

• Longitudinal waves

Different colors of light are waves with different wavelengths.

• True

• False

Moving along the spectrum from radio waves to gamma rays, which of the following increases?

• wavelength and energy

• speed and energy

• frequency and energy

• frequency and wavelength