Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
Equilibrium is a condition where the amount of a commodity buyers want to purchase is equal to the amount sellers are willing to supply.
APPEARS IN
संबंधित प्रश्न
State the S.I. unit of work and define it.
State the S.I. unit of energy.
State two advantage of producing hydroelectricity.
Why is the work done on an object moving with uniform circular motion zero?
Name the physical quantity whose SI unit is Nm.
Give two examples of work done.
A 100 W electric lamp emits energy in the form of light at the rate 10 J per second. What percentage of electric energy does the lamp transform into light energy?
(a) Define power and name its unit.
(b) A girl weighting 50 kg climbs up 60 steps each of 20 cm height in 5 minutes. Calculate the power developed.
Fill in the boxe to show the corresponding energy transformation.
Force acting on a particle moving in a straight line varies with the velocity of the particle v as F = `K/v`, where K is a constant. The work done by this force in time t is
