Remediation Quiz

Which EM wave is used for detecting fluids, blood stains or any evidences in a crime scene?

• Gamma Waves

• X-ray Waves

• Ultraviolet Waves

• Infrared Waves

What color is produced when all of the waves are seen together?

• white

• black

• violet

• blue

In the EM Spectrum figure, the greater the frequency, the __________ the wavelength.

• shorter

• longer

If the frequency is increase, what happens to the period?

• same

• increases

• decreases

• cannot be determined

Is the distance from crest to crest or from trough to trough.

• amplitude

• period

• frequency

• wavelength

Which is NOT an example of a mechanical wave?

• seismic waves

• sound waves

• light waves

• water waves

Who was the scientist that set up an equation between the relationship of electric and magnetic fields?

• James Clerk Maxwell

• Michael Faraday

• Andrei Marie Ampere

• Charles Coulomb

A typical sound wave traveling at 360 m/s has a frequency of 1200 Hz. Find its wavelength.

• 432 m

• 4.32 m

• 3 m

• 0.3 m

All electromagnetic waves travel through a vacuum at the same speed. If a wave of frequency 7.5 GHz has a wavelength of 4 cm, then the frequency of a wave with wavelength 6 km will be (assume both are electromagnetic waves propagating in vacuum):

• 40 kHz

• 50 kHz

• 5 GHz

• 2.5 MHz

Which of the following is a false statement?

• 1. As frequency increases wavelength decreases.

• 1. As frequency increases the wavelength increases.

• 1. As frequency decreases wavelength increases.

• 1. None of these statements are true.