{:("Column-I","Column-II"),("A) Thermal expansion","P) Pendulum clock"),("B)" alpha"," beta "," gamma,"Q) Depends, on dimensions Material Temperature"),("C) Bimetallic strip","R) Depends on nature of the material only"),("D) lnvar steel","S) Balance wheel of a watch"):}

{:("Column-I","Column-II"),("A) Thermal expansion","P) Pendulum clock"

1.	{:("Column-I","Column-II"),("A) Thermal expansion","P) Pendulum clock"),("B)" alpha"," beta "," gamma,"Q) Depends, on dimensions Material Temperature"),("C) Bimetallic strip","R) Depends on nature of the material only"),("D) lnvar steel","S) Balance wheel of a watch"):}
Answer» ANSWER :A-QR; B-PR; C-S; D-Q