I need to decide somthing help me with that?

I am a high school student with a major in engineering. I need to know if my interest in one of the many branches of engineering is too difficult, asIi tried alot .Can anyone please suggest a website or any other thing that can help me to clear the path of career moreover i am looking forward to take quantum physics as a option please let me know if its wrong disicsion and the scope in this field along with that tell me the list of career with its scope.
Thank you so much for your time.