0 votes
by (7.9k points)

A cylindrical jar of radius 6cm contains oil. Iron sphere each of radius 1.5cm are immersed in the oil. How many spheres are necessary to raise level of the oil by two centimetress?

1 Answer

0 votes
by (13.1k points)
selected by
Best answer

Given that radius of a cylindrical jar (r) = 6 cm 

Depth/height of cylindrical jar (h) = 2 cm

Let no of balls be ‘n’

Volume of cylindrical jar is equal to sum of volume of n spheres

Equating (1) and (2)

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.