हिंदी

The specific heat capacity of water is 1 cal/g °C.

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प्रश्न

The specific heat capacity of water is 1 cal/g °C.

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उत्तर

The specific heat capacity of water is 1 cal/g °C- Right

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 5: Heat - Right or Wrong sentence [पृष्ठ २०]

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संबंधित प्रश्न

Water is used in hot water bottles for fomentation. Give a reason.


The S.I. unit of specific heat capacity is ______.


What impact will climate changes have on the crops of food?


Who shall pay carbon tax ?


How will you prove experimentally that different substances have different specific heat capacities?


Name and state the principle used to measure the specific heat capacity of a substance.


What is the specific heat capacity of melting ice?


State whether heat energy is absorbed or released during freezing of ice.

Water boils at 120 °C in a pressure cooker. Explain the reason.


What is heat? What is the S. I. unit of heat?


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If substances A and B are liquids then which one would be more useful in car radiators?
Given: Specific heat capacity’A’ 3.8 J/g /K. Specific heat capacity ‘B’ 0.4 J/g /K.


An equal quantity of heat is supplied to two substances A and B. The substance A shows a greater rise in temperature. What can you say about the heat capacity of A as compared to that of B?


Water falls from a height of 50 m. Calculate the rise in the temperature of water when it strikes the bottom.
(g = 10 ms-2; Specific heat capacity of water = 4200 J / kg°C)


Derive an expression for finding out the specific heat capacity of a body (solid) from the readings of an experiment given below:

(i) Mass of empty calorimeter (with stirrer) = m1 gm

(ii) Mass of the metal piece = M gm

(iii) Mass of colorimeter and water = m2 gm

(iv) Initial temperature and water = t1°C

(v) Temperature of hot solid (metal piece) = t2 °C

(vi) Final temperature of the mixture = t°C

(vii) Specific heat of calorimeter = 0.4 J gm / °C


Define specific heat capacity.


Which of the substances P, Q, or R has the lowest specific heat? The temperature v/s time graph is shown ______.


If 'f' is the number of degrees of freedom of a molecule of a gas and ratio of molar specific heats of a gas, ϒ = 1 + `2/"f"` where ϒ = Cp/Cv. The ratio of 'ϒ' for monoatomic gas to 'ϒ' for (rigid) f diatomic gas is ______.


A 0.2 kg metal at 150°C is placed in a copper calorimeter (water equivalent 0.025 kg) with 150 cm³ water at 27°C. Final temperature is 40°C. Find the specific heat of the metal.


In the method of mixtures, a hot metal is dropped into cold water and the mixture reaches a final temperature. Which principle is used to find the specific heat of the metal?


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