Well done! You are correct there, but you need to look at your post and edit a little.

Rise is an intransitive verb and means to go up, stand up , or get out of bed - it doesn't require an object

George rises very early in the morning.
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Raise is a transitive verb and means to lift up something.

The company raised their salary too often.

Their principal parts are:

rise , rose , risen
raise , raised , raised

So, and according to this rule, the correst form is "raise your hand".

Hope this help s.