A steel tape gives correct measurement at 
. A piece of wood is being measured with the steel tape at 
. The reading is 25 cm on the tape, the real length of the given piece of wood must be
A
25 cm
B
C
D
Cannot say
Text Solution
Verified by ExpertsThe correct answer is:
B
With decreasing temperature, length of the steel tape decreases and hence the tape gives reading greater than the real reading. So, real length of wood must be less than 25 cm.
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