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.

We need accurate measurements for the science experiment.

He measured the size of the room.

This radio can receive a specific wavelength.

I was amazed at his extraordinary talent.

Please press this button in case of emergency.

It is a very beautiful view.