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1 Kg of Ice at 0o is Heated at Constant Rate and Its Temperature is Recorded After Every 30 S Till Steam is Formed at 100o C - Physics

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प्रश्न

1 kg of ice at 0o is heated at constant rate and its temperature is recorded after every 30 s till steam is formed at 100o C. Draw a temperature time graph to represent the change of phase.

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उत्तर

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अध्याय 11: Calorimetry - Exercise 11 (B) 1 [पृष्ठ २८०]

APPEARS IN

सेलिना Physics [English] Class 10 ICSE
अध्याय 11 Calorimetry
Exercise 11 (B) 1 | Q 8 | पृष्ठ २८०

संबंधित प्रश्न

What is the principle of Calorimetry?


(i) Define Calorimetry. 
(ii) Name the material used for making a Calorimeter.
(iii) Why is a Calorimeter made up of thin sheets of the above material answered in (ii).


A bucket contains 10 liters of water at 80°C. Cold water at 25°C is run from a tap into the bucket of hot water for 20 seconds and the temp. Of the water in the bucket falls to 50°C.
(a) Calculate the rate at which cold water came out of the tap.
(b) State an assumption made in the above calculation.


Fill in the following blank using suitable word:

Two bodies in contact are said to be in thermal equilibrium, if they have same ...........


Fill in the following blank using suitable word:

The normal temperature of a human body is .............


Fill in the following blank using suitable word:

Ice at o0C is colder than ...........at o0C.


A mass of 50 g of a certain metal at 150° C is immersed in 100 g of water at 11° C. The final temperature is 20° C. Calculate the specific heat capacity of the metal. Assume that the specific heat capacity of water is 4.2 J g-1 K-1.


Why does atmospheric temperature fall after hail storm?


A heater supplies heat at the rate of 800 J/s. Find the time required to convert 50g of ice at -20°C into superheated steam at 140°C.

(Given: Specific heat of ice = 2.1 J/g, latent heat of ice = 340 J/gm, latent heat of steam = 2240 J/gm, specific heat of steam = 2.1 J/gm and specific heat of water = 4.2 J/gm.)


Conduction is the way of heat transfer which takes place in a ______.


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