Hello dear student,

Yes you can get the sample papers for JEE mains here I am providing you link you can download the question papers from the link only.

https://www.google.com/amp/s/engineering.careers360.com/articles/jee-main-sample-papers/amp

Other than the sample paper I am here attaching a link of previous year question papers of JEE mains and I hope this will be helpful for you.

https://www.google.com/amp/s/engineering.careers360.com/articles/jee-main-question-papers/amp

For any help feel free to ask again. Thank you