1. | Δθ1Δθ2Δθ1Δθ2 | 2. | r1r2r1r2 |
3. | r2Δθ2r1Δθ1r2Δθ2r1Δθ1 | 4. | r2Δθ1r1Δθ2r2Δθ1r1Δθ2 |
1. | the heat given |
2. | the temperature raised |
3. | the mass of the body |
4. | the material of the body |
When 0.150.15 kg of ice at 0∘C0∘C is mixed with 0.300.30 kg of water at 50∘C in a container, the resulting temperature is 6.7∘C.
The heat of fusion of ice is: (Swater=4186 J kg–1 K–1)
1. 3.43×104 Jkg–1
2. 3.34×104 Jkg–1
3. 3.34×105 Jkg–1
4. 4.34×105 Jkg–1