four choices have been provided. Select the correct alternative. The area of cross-sections of th...
0four choices have
been provided. Select the correct alternative.
The area of cross-sections of three metal rods of the equal length and made of the same materials are A_1, A_2 and A_3, respectively. When heated through the same change in temperature, their linear expansions are found to be 1_1, 1_2 and 1_3, respectively Which among the following is the correct relation between 1_1, l_2 and l_3 ?
(a) l_1=l_2=1_3
(b) l_1l_2l_3
(c) l_1l_2l_3
(d) l_1=l_2l_3
π²PW App Link - https://bit.ly/PW_APP
πPW Website - https://bit.ly/PW_APP
π PHYSICS WALLAH OTHER CHANNELS :
π PhysicsWallah -Alakh Pandey: https://youtube.com/@PhysicsWallah
π Alakh Pandey: https://youtube.com/@alakhpandey1414
π JEE Wallah: https://youtube.com/@jee_wallah
π Competition Wallah: https://youtube.com/@competitionwallah
π PW Foundation: https://youtube.com/c/PhysicsWallahFoundation
π NCERT Wallah : https://www.youtube.com/channel/UC8zCnnfhz-dvIpVdZ1CheuA
π Defence Wallah-NDA: https://youtube.com/channel/UC8OCoGX9tmMneOzIFUTWq2Q
π PhysicsWallah English: https://youtube.com/@EnglishPW
π PW Vidyapeeth: https://youtube.com/@VidyapeethPW
π Commerce Wallah by PW: https://youtube.com/@commercewallahpw
π CA Wallah bt PW: https://www.youtube.com/channel/UC2amkJX5zDyQJ0mDajAWRSA
π PW Sarkari Exam: https://youtube.com/@PWSarkariExams
π PW - Hindi Medium: https://youtube.com/@physicswallahhindimedium
π PW Bangla: https://youtube.com/@pwbangla
π PW Maharashtra: https://youtube.com/@PWMaharashtra
π PW Telugu: https://youtube.com/@PWTelugu
π PW Kannada: https://youtube.com/@PWKannada
π PW Gujarati: https://youtube.com/@PWGujarati
π PW Facts: https://youtube.com/@pwfacts
π PW Insiders: https://youtube.com/channel/UCHMWQFr9Nwo3wJsAap2Wnfw
π PW Little Champs: https://youtube.com/@pwlittlechamps
π PW Pathshala: https://youtube.com/channel/UCcXUY9NSMyYbkOvUD97CUmA
π Banking Wallah : https://www.youtube.com/channel/UCg5_K50hLTKerLkSE7I1yWQ
π SSC Wallah : https://www.youtube.com/channel/UCcaEVV7A47J4k9GFcqOOYkg
π JEE Challengers by PW : https://www.youtube.com/channel/UCyf71tWV2abeN-l_UKiJ-5g
π UPSC Wallah : https://www.youtube.com/channel/UCqOy6oOu6RPJNHYQ8f_Ybvg
π UPSC Wallah ΰ€Ήΰ€Ώΰ€¨ΰ₯ΰ€¦ΰ₯ : https://www.youtube.com/channel/UCmrP-DYdZuThp8AO9lnnwNw
π GATE Wallah : https://www.youtube.com/channel/UC9PoSJoftLvEnXT-PtQ5Wtw
π GATE Wallah - EC,EE & CS : https://www.youtube.com/channel/UCuGWIkiNaWjsCqybgxGuxfg
π GATE Wallah - ME, CE & XE : https://www.youtube.com/channel/UCGrrw9x3_B_fItUIBMvqAUw
π GATE English : https://www.youtube.com/channel/UCOsV75fSUr8gnMbhx-Qh3Lg
π College Wallah : https://www.youtube.com/channel/UCDrf0V4fcBr5FlCtKwvpfwA
π PW IIT JAM & CSIR NET : https://www.youtube.com/channel/UCuj28Zll58sztDqLiDhzgtQ
π MBA Wallah : https://www.youtube.com/channel/UCWWEvCschv0T0rtou4VaKGw
π Teaching Wallah : https://www.youtube.com/channel/UCUzqJZOkCejFoc5eqWWA9Eg
π PHYSICS WALLAH SOCIAL MEDIA PROFILES :
π Telegram : https://t.me/pwjeewallah
π Facebook : https://www.facebook.com/physicswallah
π Instagram : https://www.instagram.com/pwjee_wallah/?hl=en
π Twitter : https://twitter.com/physics__wallah
π Linkedin : https://www.linkedin.com/company/78087354/admin/
π For any queries or complaints Visit : https://bit.ly/PW_Queries