Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Medical
  • A slender homogeneous rod of length floats partly immersed in water, being supported by a s

A slender homogeneous rod of length 2 \mathrm{~L} floats partly immersed in water, being supported by a string fastened to one of its ends, as shown. The specific gravity of the rod is 0.75 . The length of rod that extends out of water is

Option: 1

\mathrm{\mathrm{L}}


Option: 2

\mathrm{\frac{1}{2} \mathrm{~L}}


Option: 3

\mathrm{\frac{1}{4} \mathrm{~L}}


Option: 4

\mathrm{3L}


Answers (1)

best_answer

\mathrm{\begin{aligned} & \mathrm{mg}=\mathrm{A} .2 \mathrm{~L} \times 0.75 \times \mathrm{g} \\ & \mathrm{T}+\mathrm{A} \times \mathrm{g}=\mathrm{A} .2 \mathrm{~L} \times 0.75 \mathrm{~g} \\ & \mathrm{~T}=\mathrm{Ag}[1.5 \mathrm{~L}-\mathrm{x}] \\ & \mathrm{A} \times \mathrm{g} \cos \theta\left(\ell-\frac{\mathrm{x}}{2}\right)=\mathrm{T} \cos \theta \ell \\ & \mathrm{x}\left(\ell-\frac{\mathrm{x}}{2}\right)=\ell[1.5 \mathrm{~L}-\mathrm{x}] \quad \mathrm{x}=\ell \end{aligned}}

Posted by

Ritika Harsh

View full answer

NEET 2024 Most scoring concepts

    Just Study 32% of the NEET syllabus and Score up to 100% marks

Similar Questions

Trending Articles/News

anam-khan

Re-NEET UG 2026: Education minister seeks cooperation of states, UTs for fair and smooth conduct of exam
anam-khan

Tamil Nadu NEET UG Cut-offs: Madras Medical College, CMC Vellore among top choices
anam-khan

NEET Paper Leak Case: Delhi court sends Pune physics lecturer to six-day CBI custody

Latest Question