[" Wisn nespect to ar ine "],[" index of ice is "1.31" and the rook "],[" sect is "1.54" calculate.to repedrie "],[" inder of Roek salt withe respect "],[" to ice "]

With respect to air, the refractive index of ice is 1*31 and that of rock salt is 1*54 . Calcualte the refractive index of rock salt w.r.t ice.

If the refractive index of ice is 1.31, what will be the speed of light in it?

Refractive index of Ice : 1.31 : : Refractive index of Water : ……………

One end of a copper rod of uniform cross-section and of length 3.1 m is kept in contact with ice and the other end with water at 100° C . At what point along it's length should a temperature of 200° C be maintained so that in steady state, the mass of ice melting be equal to that of the steam produced in the same interval of time. Assume that the whole system is insulated from the surroundings. Latent heat of fusion of ice and vaporisation of water are 80 cal/gm and 540 cal/gm respectively

A uniform copper rod 50 cm long is insulated on the sides, and has its ends exposedto ice and steam,respectively. If there is a layer of water 1 mm thick at each end, calculate the temperature gradient in the bar. The thermal conductivity of copper is 436 W m^(-1) K^(-1) and that of water is 0.436 Wm^(-1) K^(-1) .

A uniform copper rod 50 cm long is insulated on the sides, and has its ends exposed to ice and steam, respectively. If there is a layer of water 1 mm thick at each end, calculate the temperature gradient in the bar. The thermal conductivity of copper is 436 W m^(-1) K^(-1) and that of water is 0.436 Wm^(-1) K^(-1) .

An ice box is built of wood of thickness 1.75 cm. The box has an inner lining of cork 2 cm thick. If the difference in temperature between the interior of the box and outside is 12°C, calculate the temperature of the interface between wood and cork. Thermal conductivity of wood and cork are respectively 0.25 and 0.05 in S.I. unit.

A copper block of 3.1 kg is heated in a furnace from 20^@ C " to " 520 ^@C and then placed on thick ice block. Calculate specific heat of copper if mass of ice melted is 1.8 kg. (Given: Latent heat of fusion of ice = 333 kJ/kg)