EM Waves Quiz

1. What is the correct sequence of Electromagnetic Waves in Electromagnetic Waves Spectrum?

• a. Radiowaves – Microwave – Infrared – Visible Light – X-Rays – Ultraviolet Rays – Gamma Rays.

• b. Gamma Rays – X-Rays – Ultraviolet Rays – Visible Light – Infrared – Microwave – Radio Waves.

• c. Radiowaves – Microwave – Infrared – Visible Light – Ultraviolet Rays – X-Rays – Gamma Rays.

• d. Both B and C.

2.) What EM Waves types have the correct wavelength?

• a. Radio waves at 10 -³ m.

• b. Gamma Rays is at 10 -¹² m.

• c. Microwave at 10 -⁵ m.

• d. Ultraviolet Waves at 10 -¹⁰ m.

3.) What color within the Visible Light, have the highest energy?

• a. Red as it has the longest wavelength.

• b. Blue as it has the highest frequency.

• c. Violet as it has the shortest wavelength.

• d. None of the above.

4.) What is the correct statement that states the relationship between wavelength, frequency and energy?

• a. Within Visible Light, Blue have the higher energy than Red as it has higher frequency.

• b. Radio Waves has a longest wavelength thus it has the highest energy.

• c. Infrared has more energy than Ultraviolet Rays as it has the higher frequency.

• d. Microwave has shorter wavelength than Radio Waves due to its lower frequency.

5.) What is the statement that best describes Electromagnetic Waves?

• a. EM Waves is a traverse waves that only propagates within the air, liquid and solid materials.

• b. EM Waves is a combination of oscillation of magnetic flux and electric current.

• c. EM Waves travels within the vacuum of space at the speed of light.

• d. EM Waves do have a crest as the lowest point, trough as the highest point and amplitude as the distance between crests/troughs.

6.) Which of the following statement is INCORRECT?

• a. UV Rays are from the sunlight.

• b. X-Rays are used to take a medical image without undergoing surgery.

• c. Microwave is used RADAR technology.

• d. Visible Light is used in night vision camera.

7. What is the frequency of an EM waves if the energy is at 7.5 x 10 ³ J?

• a. 1.31 x 10 ³⁷ Hz

• b. 8.83 x 10 -³⁸ Hz

• c. 4.97 x 10 -³⁰ Hz

• d. 2.25 x 10 ¹² Hz

8. What is the energy of the photon of light with the frequency of 5 x 10 ^-6 Hz?

• a. 1.33 x 10 -²⁸ J

• b. 7.55 x 10 ²⁷ J

• c. 1.67 x 10 -¹⁴ J

• d. 3.31 x 10 - ³⁹ J

9.) What is the wavelength if you are listening to DZMM within the frequency of 6.3 x 10 ⁵ Hz?

• a. 9.51 x 10 ³⁸ m.

• b. 1.89 x 10 ¹⁴ m.

• c. 4.76 x 10 ² m.

• d. 2.1 x 10 -³ m.

10.) What is the frequency of visible light if the wavelength of visible light is at 5 micrometers?

• a. 1.33 x 10 - ²⁸ Hz

• b. 6 x 10 ¹³ Hz

• c. 1.5 × 10 ³ Hz

• d. 1.67 × 10 -¹⁴ Hz