J < L ≤ H < I I > J. Hence conclusion I is true. K > L > M K > M. Hence conclusion II is true. K > L ≤ H < I No relationship can be established between K and I. Hence conclusion III is not true.
Which of the following is a characteristic of sound waves?
The apparent weight of a person in a lift moving downward with uniform acceleration is:
The shape of our Milky Way galaxy is
Why does a fountain pen leak on an airplane flying at high altitude?
A constant retarding force of 20 N is applied to a body of mass 10 kg moving initially with a speed of 12 m s–1. How long does the body tak...
The electric and magnetic fields of an electromagnetic wave are _____________
An electric motor converts _____ energy to mechanical energy.
The colour of sky appears blue due to –
Match the following machines with their working principles:
(i) Electric motor - (a) Heat energy into mechanical energy
(ii) Steam engin...
The weight (W) of a body is derived from which formula?