That will be adequate for one plant. It’s a 100W fixture. I raised my first under 150W, it was just fine. The Afghans like to stretch, so be sure not to hang the light too high. Best thing to do is check DLI which can be done with a free app on either iphone or android. I found out I was hammering my girl with too much light, which you don’t want to do.
Here is a link to a thread on DLI. I have it keyed to a table showing DLI levels, but the whole thread has tons of info.