A physical change is irreversible.
Physical Change:
A change that alters only the physical properties of matter, without changing the chemical composition is known as physical change.
(a) Some physical changes like tearing of paper, plucking of flowers, chopping vegetables, etc., are irreversible physical changes.
(b) Even though we cannot get the original substance back, such changes are physical changes as no new substance is formed. In the example of chopping vegetables, once the vegetables are cut into pieces, the original vegetables cannot be obtained.
Therefore, the given statement is true.