Question 25
Heat is supplied to a test tube containing 100g of ice at its melting point. The ice melts completely in 1 min. What is the power rating of the source of heat? (Latent heat of fusion of ice =336J)
Objective
Question details
- Exam body
- NDA
- Subject
- Physics
- Year
- 2017/2018
- Question no.
- #25
- Type
- Objective
More from this paper
- Q21The circuit shown at the left has a resistance of 16Ω and consumes 2.6 watts of…
- Q22A lorry of mass 2000kg moving at 36km/h is brought to rest over a distance of…
- Q23A ball of mass 5.0kg moving with a velocity of 10.0m/s collides with a 2.5kg…
- Q27A car moves with a speed of 30ms -1 , Calculate the distance travelled in 30s.
- Q28A stone of mass 0.5 kg is droped from a height of 12m. Calculate its maximum…
- Q29A machine of efficiency 80% is used to lift a box. If the effort applied by the…