1. Conduction
2. Convection
3. Radiation
4. All of these
Radiation
1. Conduction
2. Convection
3. Radiation
4. All of these
Conduction
1. Fourier’s law
2. Newton’s law
3. Stefan’s law
4. First law of thermodynamics
Fourier’s law
1. Is in steady-state
2. Through a solid is one dimensional
3. Both (a) and (b)
4. None of these
Both (a) and (b)
1. Of free electrons present
2. Their atoms are relatively far apart
3. Their atoms collide frequently
4. All of these
Their atoms collide frequently
1. More
2. Less
3. Same
4. Depend on other factors
More
1. Increases
2. Decreases
3. Remains same
4. Depend on other factors
Depend on other factors
1. Solid ice
2. Melting ice
3. Water
4. Steam
Solid ice
1. 4 ρk (t1 – t2)/ (r2 – r1)
2. 4 ρk (r1r2)/ (r2 – r1)
3. 4 ρk (r1r2) (t1 – t2)/ (r2 – r1)
4. None of these
4 ρk (r1r2) (t1 – t2)/ (r2 – r1)
1. (r1+ r2)/2
2. √(r1 r2)
3. r1 r2
4. (r1 r2)/2
√(r1 r2)