[" One end of metal bar of area of cross section "],[5cm^(2)" and "25cm" in length is in steam other in "],[" contact with ice,the amount of ice melts in one "],[" minute is "((L)/(2)=80cal/gm" ) "],[[" 1) "16gm," 2) "12gm," 3) "24gm," 4) "36gm]]

One end of metal bar of area of cross section 5cm^(2) and 25cm in length is in steam other in contact with ice, the amount of ice melts in one minute is (L_(ice) =80 cal//gm,K=0.8cgs" uits") .

The opposite faces of a cubical block of iron of cross-section 4 xx 10^(-4) "m"^(2) are kept in contact with steam and melting ice. Calculating the amount of ice melted at the end of 5 minutes. Given K=0.2 cal cm ""^(-1) "s"^(-1)°"C"^(-1) .

The opposite face of a cubic block of iron of cross-section 8 sq.cm are kept in touch with steam and melting ice.Determine the quantity of ice melted at the end of 5 minutes (K=0.2 CGS units).

The opposite faces of a cubical block of iron and cross-section 4 sq. cm are kept in contact with steam of melting ice. Calculate the amount of ice melted at the end of 10 minutes if K = 0.2 cal cm^-1s^-1C^-1 for iron.

The opposite faces of a cubical block of iron of cross-section 4 square cm are kept in contact with steam and melting ice. Calculate the quantity of ice melted at the end of 10 minutes. k for iron = 0.2 CGS units.

What power is gained by a man when he eats 100 g ice in one minute ? Latent heat of fusion of ice is 80 cal/gm.

What is the intensity of magnetisation of a bar magnet of length 4 cm cross sectional area 2.5 cm^(2) and magnetic moment 2 Am^(2) ?

One end of a brass rod of length 2.0 m and cross section 1cm^2 is kept in steam at 100^@C and the other end in ice at 0^@C . The lateral surface of the rod is covered by heat insulator. Determine the amount of ice melting per minute. Thermal conductivity of brass is 110 W//m-K and specific latent heat of fusion of ice is 80 cal//g .