Water of volume 2 litre in a container is heated with a coil of 1 kW at 27°C. The lid of…
Physics · JEE Advanced · NTA Exams — Properties of Solids and Liquids
Water of volume 2 litre in a container is heated with a coil of 1 kW at 27°C. The lid of the container is open and energy dissipates at rate of 160 J/s. In how much time temperature will rise from 27°C to 77°C. [Given specific heat of water is 4.2 kJ/kg]
- 7 min
- 6 min 2 s
- 8 min 20 s
- 14 min.
Answer
(C) 8 min 20 s
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- The ends Q and R of two thin wires, PQ and RS , are soldered (joined) together. Initially each of the wires…
- Statement I : A block is immersed in a liquid inside a beaker, which is falling freely. Buoyant force acting…
- A bubble has surface tension S . The ideal gas inside the bubble has ratio of specific heats γ = 5/3. The…
- A cube of mass m and density D is suspended form the point P by a spring of stiffness k. The system is kept…
- Assertion : Young’s modulus for a perfectly plastic body is zero. Reason : For a perfectly plastic body…
- A wall has two layers A and B , each made of different material. Both the layers have the same thickness. The…
- One end of a horizontal thick copper wire of length 2 L and radius 2 R is welded to an end of another…
- Two metallic sphere S 1 and S 2 are made of the same material and have got identical surface finish. The mass…
More Properties of Solids and Liquids questions · Browse all practice questions