The natural frequency of an $I-C$ circuit is $1,25,000$ cycle/s. Then the capacitor C is replaced by another capacitor with a dielectric medium of dielectric constant by $25 \;kHz$. The value of K is - Clay6.com, a Free resource for your JEE, AIPMT and Board Exam preparation

The natural frequency of an $I-C$ circuit is $1,25,000$ cycle/s. Then the capacitor C is replaced by another capacitor with a dielectric medium of dielectric constant by $25 \;kHz$. The value of K is