GRADE 10 ONLINE QUIZ BOWL 2021 FINAL

D4. A type of modulation where the amplitude of the radio waves changes to match that of the audio-frequency signal

E8. An instrument that uses infrared radiation which detects varying temperature in an object through different colors?

E4. Visible light has a higher frequency than

A5. 1. A devices is designed to produce electromagnetic radiation with the longest wavelength in order to operate.

A6. Which of the following properties determines a color in the visible light region of the electromagnetic spectrum?

A2. Which electromagnetic wave is used in satellite communication?

D6. which is the correct arrangement of colors in visible light spectrum?

D5. Which of the following does ultraviolet light can be compared to visible light?

D3. What color in the visible light spectrum has the shortest wavelength?

E2. The only section of the spectrum that we can see

A4. Which of these group has the highest frequency?

E10. What EM waves can give us suntans and sunburns?

A8. Which of the following waves travels fastest?

E3. What is the ultimate source of electromagnetic waves?

D2. Who was the scientist who discovered the Infrared radiation?

E9. 1. It is used to describe the transfer of energy in the form of EM wave

D7. Calculate the frequency of UV light with a wavelength is 400 nm and it travels in a speed of light in a vacuum?

A1. Which of these is a practical use for X-rays?

E6. A disturbance that transfers energy from place to place is called?

A7. Which of the following statements best describes an electromagnetic wave with a long wavelength?

E5. What can split white light into its component colors?

E1. Electromagnetic wave is a transverse wave that transfers

D1. It is the speed of light in a vacuum

A3. Which of these groups has the longest wavelength?

E7. Which word best describes gamma rays?