This interferometer is very useful for measuring the wavelength of light.

He is using an interferometer for a physics experiment.

This app is very useful.

The utility of this app is very high.

This radio can receive a specific wavelength.

We need accurate measurements for the science experiment.

He measured the size of the room.

I was amazed at his extraordinary talent.

Please press this button in case of emergency.

It is a very beautiful view.