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ELECTROMAGNETISM and EM WAVES
Quiz by Neriza Viernes Aguilar
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​These are waves that are created because of vibrations between an electric field and magnetic field.
Electromagnetic field
Electromagnetic spectrum Â
Electromagnetic wave Â
Electric field
These are waves that are created because of vibrations between an electric field and magnetic field.
Which electromagnetic wave can travel the farthest distances because it has a wavelength range of greater than 1 x 10-1 m?
Which among the following EM waves has the longest wavelength?
Which of the following is NOT an application of visible light?
What kind of EM wave is very dangerous, but has been used to kill cancer cells?
What type of electromagnetic waves is used in RADAR?
The wavelength of microwaves ranges from 1x10-1 m to 1x10-3 m. Which of thefollowing has size comparable to the wavelength of a microwave?
Infrared waves are useful in which of the following applications?
Which of EM waves below is used to remove most forms of microbiological contamination from water?
In the visible spectrum, which color has the LONGEST wavelength?
Which of the following statements is CORRECT?
All the following made use of gamma rays EXCEPT one. Which is it?
What form of wave makes your skin tan when exposed for a long period of time?
Among the following forms of EM spectrum, which waves do NOT have enough energies to damage the body cells?
How will you arrange the EM waves in an increasing frequency?
If current is increased, magnetism _______, and if current is decreased magnetism _________.
If the number of coils is increased magnetism_____________________
What happens when a bar magnet is cut into two pieces?
The strength of an electromagnet can be increased by
A magnet has two magnetic poles. The north and west seeking poles.
Like poles attract, unlike poles repel.
Both forces of attraction and repulsion is NOT possible between magnets.
Magnetic field is weakest at the poles
The closer the two magnets are together, the weaker the force between them
Which arrangement of three bar magnets results to an attraction between the first and the second, and a repulsion between the second and the third magnet?
What is visible light composed of?
 How much of the electromagnetic spectrum is visible?
Which of the following is correct in order of lowest to highest energy?
A long wavelength means_____________.
If the frequency of an EM wave is increased, what will happen to its energy?
