electromagnetic spectrum

Front

What is the electromagnetic spectrum?

Back

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

Front

Which type of electromagnetic radiation has the longest wavelength?

Back

Radio Waves have the longest wavelength in the electromagnetic spectrum.

Front

What is wavelength?

Back

Wavelength is the distance between two crests or two troughs of a wave.

Front

What happens to a white shirt when exposed to sunlight?

Back

A white shirt reflects the sun's rays.

Front

Which type of electromagnetic radiation has the shortest wavelength?

Back

Gamma Rays have the shortest wavelength in the electromagnetic spectrum.

Front

What is the relationship between wavelength and frequency?

Back

As the wavelength increases, the frequency decreases, and vice versa.

Front

What does it mean for a material to absorb light?

Back

When a material absorbs light, it takes in the light energy and does not reflect or transmit it.

Front

What color does a green shirt appear and why?

Back

A green shirt looks green because it reflects green light waves and absorbs other colors.

Front

What is the frequency of a wave?

Back

Frequency is the number of waves that pass a point in one second, measured in hertz (Hz).

Front

What type of electromagnetic radiation is used in microwave ovens?

Back

Microwaves are used in microwave ovens to heat food.