[" The mechanical equivalent of heat "],[" (a) has the same dimensions as beat "]

The mechanical equivalent of heat J is

The mechanical equivalent of heat J is

The mechanical equivalent of heat J is :

The mechanical equivalent of heat (1) has the same dimensional formula as heat (2) has the same dimensional formula as worked (3) has the same dimensional formula as energy (4) is dimensionless

The mechanical equivalent of heat (1) has the same dimensional formula as heat (2) has the same dimensional formula as worked (3) has the same dimensional formula as energy (4) is dimensionless

We need mechanical equivalent of heat because

The SI unit of mechanical equivalent of heat is

Define mechanical equivalent of heat. What is its value ?