A copper rod of 88 cm and an aluminium rod of unknown length have their increase in length independent of increase in temperature. The length of aluminium rod is : ( Cu =1.7 10 -5 K -1 and Al =2.2 10 -5 K -1 )

1. A. 68 cm
2. B. 6.8 cm
3. C. 113.9 cm
4. D. 88 cm

Attempt this NEET 2019 Physics question free — pick an option to reveal the correct answer and a step-by-step explanation. Then join NEET Mastery Quest to practise 15,000+ PYQ and 2027-syllabus questions.