Home › CBSE Class 11 (Science) › Physics › Oscillations › Precision pendulums were kept in low pressure ta…
Precision pendulums were kept in low pressure tanks to keep what constant?
ABob mass
BRod length
CAir pressure
DLocal gravity
Answer & Solution
Correct answer: C. Air pressure
Constant air pressure keeps buoyancy on the bob fixed so the period does not drift.
Related questions
A force F = -kx on a spring obeys which law?For a simple pendulum, what does the length l measure in T = 2 pi root(l/g)?An SHM has angular frequency pi rad/s. What is its period?A spring of constant 200 N/m oscillates with amplitude 0.1 m. What is its total energy?A 2 kg mass on a spring of constant 200 N/m has what angular frequency?A body in SHM has amplitude 0.05 m and angular frequency 10 rad/s. Its maximum speed is?The damping ratio has which property?A lossless spring-mass system, once started, would oscillate for how long?