Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
685 views
in Physics by (45.1k points)
closed by

A second pendulum is taken to a height of h = 2R, find the length of the pendulum at that place.

(a) 1/7 m

(b) 1/9 m

(c) 1/5 m

(d) 1/6 m

1 Answer

+1 vote
by (44.0k points)
selected by
 
Best answer

Correct option is (b) 1/9 m

But it's a second's pendulam

So time period is 2 sec

∴ 2 = 6π\(\sqrt{\frac{l}{g}}\) ⇒ l ≈ 1/9 m

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.

...