1. What technology uses radio waves for detecting objects, weather forecasting, and military surveillance
a. laser b. radar c. Supersonic d. x-rays machine
2. He discovered Microwaves, the second Electromagnetic Waves lying around 300 MHz to 300 GHZ
B. Radar
C. James Clerk Maxwell D. Thales of Miletus
A. Laser
3. It is a medical application ang radio waves wherein it is used to view internal parts of the human body.
B. Michael Faraday
A. Charles Oersted
C. Microwave Resonance Imagery
D. Micro Revibrating Imagery
A. Multimedia Resolute Imaging
4. Means below red" and have a low frequency that the red part of the visible light. What is it?
B. Magnetic Resonance Ima8ing
X-ray
D.
C. Microwave
S. Among the colors of the rainbow, what color has the wavelength of 550 nanometers?
B. Ultraviolet
A. Infrared Radiation
D. Green
C. Yellow
6. The process in which visible light is separated to its seven spectra of colors Using a prism
B. Orange
D. crystal inversion
A . Red
C. separation
B. inversion
A. dispersion
7. It is a form of luminescence that can be observed in living things.
D. abioluninescence
C. biolumiinescence
8. Xray machines work by firing what sub-atomic particle to the target with enough energy to produce images?
B. cryoluminescence
A. anti-luminescence
D. electrons
C.protons
B. neutrons
A. quarks
D. Compound building
9. The following shows uses of the Electromagnetic waves EXCEPTE
C. Photosynthesis
B. Cancer treatment
A. telecommunication
10. In Physics, it is known as the emission of enerBy from any source.
D. Laser
C. Incandescence
11. Being used to study the characteristics of the soil to monitor the uptake and use of essential nutrients
B. Radiation
A. Heat formation
D. Nuclear reactors
C. Isotopes
B. Elemental scale
12. Sir William Herschel, a British scientists discovered what part of the Electromagnetic Spectrum D.X-ray
A. Radioactive isotopes
C. Ultraviolet
13. It is a disease caused by the mutation at cellular level that is being treated by the use of Gamma Rays
B. Visible Light
A. Infrared Radiation
D. Cancer
C. Bell's Palsy
14. Through his observation, he was the first to observe Gamma rays from the radiation of radium element
B. Scurvy
A. Pneumonia
D. Paul Villard
C. Ada Lovelace
B. Antoine Lavoisier
A. Ernest Rutherford
15. What is the main source of electromagnetic radiation in our solar system?
D. Sun
C. Jupiter
B. Oort Cloud
A. 55 Cancri
16. Used to identify true and authentic signatures from not.
D. Gamma ray
C. X-ray
17. Claude and Dexter are best of friends. They often usea remote control to prank their neighbor, Nana and Molina,
B. Ultraviolet
A. Visible Light
while they are watching their favorite K-drama. What EM Wave is being used by the two pranksters?
D. Ultraviolet
C. Radio wave
B. Microwave
18. Wi-Fi or Wireless Fidelity works on what part of the Electromagnetic Spectrum?
A. Infrared
D. X-ray
C. Microwave
Ised to preserve food and to sterilize equipment
B. Radio wave
A. Visible light
19. Gamma rays in the form of radionuclide called
D. Hydrogen 3
C. Carbon 12
B. Uranium 365
A. Cobalt 60
20. Which among the spectra of white light has the shortest wavelength?
.Violet
C. Blue
B. Yellow
A. Indigo​