(A) Invar is an alloy of $Fe$ $(64\%)$ and $Ni$ $(36\%)$.It has a very low coefficient of thermal expansion.Due to this property,it does not change it

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

(A) Invar is an alloy of $Fe$ $(64\%)$ and $Ni$ $(36\%)$.It has a very low coefficient of thermal expansion.Due to this property,it does not change its length significantly with temperature variations,making it suitable for manufacturing precision instruments like metre scales.