QUESTION TEXT:-
A steel tape 1m long is correctly calibrated for a temperature of `27^()C`. The length of a steel rod measured by this tape is found to be `63.0cm` on a hot day when the temperature is `45.0^()C`. What is the acutual length of the steel rod on that day? what is the length of the same steel rod on a day when the temperature is `27.0^()C` ? coefficient of linear expansion of steel ` = 1.20xx10^(-5) .^()C^(-1)`.
Doubtnut के साथ १००% मार्क्स पायें, आज ही डाउनलोड करें :-
OR ask your doubts on Whatsapp No --- 8400400400
Physics Solutions for Class 9, class 10, class 11, class 12 and IIT-JEE aspirants
Doubtnut provides Physics Solutions for Class 9, class 10, class 11, class 12 and IIT-JEE aspirants. The solutions are arranged chapter-wise and within each chapter they are arranged by topic-wise.
You can start learning with chapter-wise video tutorials of Physics books including NCERT textbook for Physics, HC Verma, Sunil Batra, DC Pandey, Cengage Physics, A2Z, Pradeep Fundamental Physics, IE Irodov, CP Singh…
Physics:
Chemistry:
Biology:
Score 100% With Doubtnut
Prepare your class 11 Physics with our intuitive video solutions and score well in your final academic exam 2019-20.
Students can find instant video solutions on our renowned doubt solving app or even on our website by clicking the doubt question from their textbook of class 11 maths, physics, chemistry, biology.
The video tutorials are helpful in preparation for the entrance exams like IIT JEE Main and Advanced, and NEET exam. Students can resolve their doubts with self-explanatory video solutions of questions from popular books of Maths, Chemistry, and Biology are solved for easy and swift learning.
Student can prepare for IIT JEE at
Student can prepare for NEET at
Doubtnut app provides free online video solutions that help students to understand each topic and retain what they have learnt for a longer duration. It further helps in creating a stronger foundation for future classes.
Subscribe to our YouTube channel to receive notifications of live classes and latest videos on various topics from subjects like – Maths, Physics, Chemistry, Biology etc. for Board & higher studies.
Doubtnut ऍप पर आप कक्षा ६ से १२ (IIT JEE तक) के NCERT के गणित/
भौतिक विज्ञान/रसायन विज्ञान/जीव विज्ञान/ के सभी सवालों के वीडियो देखिये और मुफ्त में खोजिये सवाल
का जवाब - 5 लाख से भी ज़्यादा सवालों के जवाब हैं Doubtnut ऍप पर
Doubtnut App and website has video solutions of all the NCERT questions from Class 6 to 12. You can download the NCERT solutions in pdf format as well.
You can also ask any question related to Math, Physics, Chemistry, Biology and get a video solution for FREE from a library of more than 5 Lakh Videos
Follow Us On Facebook
0 Yorumlar