Can I believe my eyes? IQWST PS1 LS3 - LS4 (lessons 9-13)

Front

What is UV light used for in banks?

Back

UV light is used to check for fake and real money.

Front

Which type of waves are useful for sending signals over large distances?

Back

Radio Waves are useful for sending signals over large distances.

Front

What is needed to make black light?

Back

No amount of red, green, and blue light is needed to make black.

Front

What type of wave is used in long distance communication?

Back

Radiowaves are used in long distance communication.

Front

Why does a banana look yellow when white light shines on it?

Back

The banana scatters only yellow light and absorbs the rest of the light.

Front

What is the definition of Infrared Radiation?

Back

Infrared Radiation is a type of electromagnetic radiation with wavelengths longer than visible light but shorter than microwaves.

Front

What is the role of visible light in color perception?

Back

Visible light is the part of the electromagnetic spectrum that is visible to the human eye and is responsible for the colors we see.

Front

What happens when an object absorbs all colors of light?

Back

When an object absorbs all colors of light, it appears black.

Front

What is the relationship between wavelength and frequency in electromagnetic waves?

Back

Wavelength and frequency are inversely related; as the wavelength increases, the frequency decreases.

Front

What is the definition of Radiowaves?

Back

Radiowaves are a type of electromagnetic radiation with the longest wavelengths and are used for communication.