Questions

The work done by centripetal force is ______.

Calculate the frequency (in Hz) of a sound wave of wavelength 5 m travelling with a speed of 360 m/s.

Due to an acceleration of 4 m/s2 the velocity of a body increases from 10 m/s to 30 m/s in a certain period. Find the displacement (in m) of the body in that period.

Through which does light travel best?

If the resistance of a conductor is reduced to half its initial value, then the heating effect in the conductor will become ___.

In April 2017, the G20 Digital Ministerial Meeting on Digital Economy was held in which country?

On 20 July 2017, Lok Sabha passed IIIT­PPP Bill, 2017. The Bill seeks to allow 15 IIITs established on a PPP model to grant degrees. What does ‘PPP’ stand for?

The number of parliamentary seats (Rajya Sabha) of Karnataka is _____.