Question

Aristotle then explained the class about changes and its type. He talked about reversible changes. He then asked students to identify reversible changes from the given initial examples.
A. Rolling out roti from ball of dough
B. Drawing boat on paper with pencil
C. Growing of tree
D. Boy moving with constant speed

• A. A, B, C and D
• B. A, B and C
• C. A & B
• D. A only

Answer 1

The correct option is C

A & B

A. Rolling out roti from ball of dough is a reversible change as the roti made from dough can be rolled again to a dough ball.

B. Drawing boat on paper with pencil is a reversible change as the boat can be erased to make paper clean again.

C. Growing of tree is an irreversible change.
D. Boy moving with constant speed is an irreversible change.