Medium

Longitudinal wave

Transverse wave

Change in direction

Phase change

Time change

Path change

Reflection from rigid end/denser medium

Compression as rarefaction and vice-versa

Crest as crest and Trough as trough

Reversed

p

Reflection from free end/rarer medium

Compression as compression and rarefaction as rarefaction

Crest as trough and trough as crest

No change

Zero

Zero

Zero