A steel rod of initial length 1.0 m is heated from 27°C to 45°C. If the coefficient of linear expansion for steel is 1.2 × 10⁻⁵ K⁻¹, what is the increase in its length?
A
16 × 10⁻⁴ m
B
44 × 10⁻⁴ m
C
92 × 10⁻⁴ m
D
88 × 10⁻⁴ m

Question

A steel rod of initial length 1.0 m is heated from 27°C to 45°C. If the coefficient of linear expansion for steel is 1.2 × 10⁻⁵ K⁻¹, what is the increase in its length?

Accepted Answer

16 × 10⁻⁴ m

Answer

44 × 10⁻⁴ m

Answer

92 × 10⁻⁴ m

Answer

88 × 10⁻⁴ m

NEET Physics Thermal Expansion MCQ Question

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