speed of light calculations, electromagnetic spectrum

Front

What does the electromagnetic (EM) spectrum increase from left to right?

Back

Frequency.

Front

What is the energy of a photon with a wavelength of 1.06 x 10^3 nm?

Back

1.87 x 10^-19 J.

Front

Do EM waves travel the same speed in a vacuum?

Back

Yes, they always travel at the speed of light in a vacuum.

Front

What are infrared waves commonly used in?

Back

Remote Controls.

Front

Can EM waves travel through space?

Back

Yes, EM waves can travel through space.

Front

What is the speed of light in a vacuum?

Back

Approximately 3.00 x 10^8 meters per second.

Front

What is the relationship between wavelength and frequency in the EM spectrum?

Back

As wavelength increases, frequency decreases.

Front

What type of electromagnetic radiation has the longest wavelength?

Back

Radio waves.

Front

What type of electromagnetic radiation has the shortest wavelength?

Back

Gamma rays.

Front

What is the formula to calculate the energy of a photon?

Back

E = hf, where E is energy, h is Planck's constant, and f is frequency.