can apple tv be used on my tv?

The Apple TV set-top box can be used with any TV that has an HDMI port.

The Apple TV app is also available on select newer TVs and third party streaming devices.

All the ways to watch in the Apple TV app - Apple Support

List of Apple TV app-supported devices - Apple

if you mean the appletv box then it can be used on any tv with a hdmi 1.3 or higher port (this is most tv's)

What TV do you have exactly? Make? Model?