Properties Of Solids And Liquids Question 470
Question: A bar of iron is 10 cm at 20°C. At 19°C it will be (a of iron = 11 ´ 10?6/°C) [EAMCET 1997]
Options:
A) 11 ´ 10?6 cm longer
B) 11 ´ 10?6 cm shorter
C) 11 ´ 10?5 cm shorter
D) 11 ´ 10?5 cm longer
Show Answer
Answer:
Correct Answer: C
Solution:
therefore
therefore
therefore
therefore Length is shorten by