Is the highest frequency possible the inverse of Planck time?

[brajesh]

TL;DR

Is the highest frequency possible the inverse of Planck time?

Is the highest frequency possible the inverse of Planck time?
Separate or connected question, what's the highest frequency achievable practically today?

 

[Nugatory]

Is the highest frequency possible the inverse of Planck time?

No, as far as we know based on the best current theories (but we haven't done a lot of experiments at the Planck scale so it's possible that these theories break down at that scale and we haven't seen it).

You may want to take a look at this Insights article: https://www.physicsforums.com/insights/hand-wavy-discussion-planck-length/

 

[Meir Achuz]

'Planck scale units' don't limit anything.