4th g -dec 23-Electromagnetic Spectrum 1

Front

What is the electromagnetic spectrum?

Back

The electromagnetic spectrum is the range of all types of electromagnetic radiation, which includes visible light, radio waves, microwaves, infrared, ultraviolet, X-rays, and gamma rays.

Front

Which travels faster, light or sound?

Back

Light travels faster than sound.

Front

What is the visible light spectrum?

Back

The visible light spectrum is the portion of the electromagnetic spectrum that can be seen by the human eye, consisting of colors red, orange, yellow, green, blue, indigo, and violet.

Front

What is the function of the pupil in the human eye?

Back

The pupil controls the amount of light that enters the eye.

Front

What happens to sound in a vacuum?

Back

Sound cannot travel in a vacuum because it requires a medium (like air) to be transmitted.

Front

What are gamma rays?

Back

Gamma rays are a type of electromagnetic radiation with the shortest wavelength and highest energy.

Front

What is the role of the lens in a camera?

Back

The lens focuses light onto the digital sensor, similar to how the lens of the eye focuses light onto the retina.

Front

What is wavelength?

Back

Wavelength is the distance between successive peaks of a wave, which determines the type of electromagnetic radiation.

Front

What is the order of colors in the visible light spectrum from longest to shortest wavelength?

Back

Red, orange, yellow, green, blue, indigo, violet.

Front

What is sound?

Back

Sound is a type of wave that travels through a medium (like air) and is produced by vibrating objects.