A dipole consists of two particles one with charge +1 $μ$ C and mass 1kg and the other with charge –1 $μ$ C and mass 2kg separated by a distance of 3m. For small oscillations about its equilibrium position, the angular frequency, when placed in a uniform electric field of 20kV/m is____10^–1rad/s

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.

An Intiative by Sri Chaitanya

answer is 1.

(Unlock A.I Detailed Solution for FREE)

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

About a point 1m from 1kg particle

The torque acting on both of the particles is given by $τ = qE 2 sinθ + qEsinθ = 3 qEsinθ$

$Iα = 3 qEθ$

$ω = \sqrt{\frac{3 qE}{I}} = \sqrt{\frac{3 \times 1 \times 10^{- 6} \times 20 \times 10^{3}}{6}} = 0.1$

Watch 3-min video & get full concept clarity

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test