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Physics
Fill in the blanks by writing (i) Only soft iron, (ii) Only steel, (iii) Both soft-iron and steel for the material of core and/or magnet.
Electromagnet ______.
Chapter: [10] Electro-Magnetism
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What do you understand by the term 'temperature'?
Chapter: [11] Calorimetry
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Write the approximate value of specific heat capacity of water in SI unit.
Chapter: [11] Calorimetry
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Give one example where high specific heat capacity of water is used as cooling.
Chapter: [11] Calorimetry
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Why do the farmers fill their fields with water on a cold winter night?
Chapter: [11] Calorimetry
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Define the term 'specific heat capacity' and state its unit.
Chapter: [11] Calorimetry
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Discus the role of high specific heat capacity of water with reference to climate in coastal areas.
Chapter: [11] Calorimetry
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Define specific heat. Is it same as heat capacity?
Chapter: [11] Calorimetry
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Write the SI unit of specific heat.
Chapter: [11] Calorimetry
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The product of mass and specific heat is known as ..........
Chapter: [11] Calorimetry
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Does the specific heat depend upon the temperature?
Chapter: [11] Calorimetry
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What is the value of specific heat of water?
Chapter: [11] Calorimetry
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The substances like water which have ........... Heat capacity warm up more slowly than substances like iron which have .......... heat capacity.
Chapter: [11] Calorimetry
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What is the unit of heat capacity in CGS system?
Chapter: [11] Calorimetry
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The specific heat of body is 0.2 cal g-1 °C-1. What is the meaning of this statement?
Chapter: [11] Calorimetry
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The specific heat of a substance of mass 100 g is 0.04 cal g-1 0C-1. What is its heat capacity?
Chapter: [11] Calorimetry
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Write down the relation between specific heat and heat capacity.
Chapter: [11] Calorimetry
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Does specific heat depend upon the mass of a substance?
Chapter: [11] Calorimetry
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Name the substance that has the maximum value of specific heat.
Chapter: [11] Calorimetry
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State whether heat energy is absorbed or released during freezing of ice.
Chapter: [11] Calorimetry
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