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A uniform heavy rod of weight 10 kgwt, crosssectional area 100 cm2 and length 20 cm: Young modulus
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A uniform heavy rod of weight 10 kgwt, crosssectional area 100 cm2 and length 20 cm is hanging from a fixed support. Young modulus of the material of the rod is 2 × 1011 Nm–2. Neglecting the lateral contraction, find the elongation of rod due to its own weight.
(1) 2 × 10–9 m (2) 5 × 10–8 m
(3) 4 × 10–8 m (4) 5 × 10–10 m
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A uniform heavy rod of weight 10 kgwt, crosssectional area 100 cm2 and length 20 cm is hanging from a fixed support. Young modulus of the material of the rod is 2 × 1011 Nm–2. Neglecting the lateral contraction, find the elongation of rod due to its own weight.
(1) 2 × 10–9 m (2) 5 × 10–8 m
(3) 4 × 10–8 m (4) 5 × 10–10 m
IITJEE PHYSICS QUESTION BANK PLAYLIST LINK :
---------------------------------------------------------------------------------------------------------------------------------------------------------------Our services which are FREE for all | Only serious students apply:
• Take FAST & avail up to 100% Scholarship | Register by calling at 8010996622
• Apply for TEST SERIES for PRAYAAS Crash Course JEE Main | KVPY | NTSE and CBSE (Class 8 to 10) by calling at 8010996622
---------------------------------------------------------------------------------------------------------------------------------------------------------------
Infinity Vision is a premier organization for competitive exam preparation. With us, students prepare for the toughest of examinations such as IIT – JEE, NEET, KVPY, NTSE, IMO, etc. & pave the way towards a successful career. We offer intensive Foundation Courses for Class 6th to 10th which is ideal for the preparation of NTSE, KVPY, IMO, NSEJS, INO, RIMC, and for different school level competitions and Olympiads. For Class 11th & 12th, we provide an extensive online/classroom program to prepare for IIT – JEE/NEET, KVPY & Board Exams.
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