
Grade 12th pass10 grade science
The coefficient of superficial expansion of a solid is 2×10−5/∘C
. Its coefficient of linear expansion is
A. 4×10−5/∘C
B. 3×10−5/∘C
C. 2×10−5/∘C
D. 1×10−5/∘C
The coefficient of superficial expansion of a solid is 2×10−5/∘C
. Its coefficient of linear expansion is
A. 4×10−5/∘C
B. 3×10−5/∘C
C. 2×10−5/∘C
D. 1×10−5/∘C




