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CBSE Class 11-science Answered

calorimetry
Asked by praveen rajasekaran | 06 Aug, 2011, 04:15: PM
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CBSE 11-science - Physics
a body cools from 90°c to 70°c in 5minutes. temperature of surrounding is 30°c. its temperature after next 10 min is
Asked by manjushri30nov | 31 Dec, 2023, 07:48: PM
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CBSE 11-science - Physics
the unit of thermal conductivity is
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Asked by abhishekmadheshiya708 | 22 Dec, 2023, 01:38: PM
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CBSE 11-science - Physics
  The temperature of perfect black body changes from 3000K to 4000K.What is the percentage change in energy radiation.
Asked by ankitvariya1000 | 29 Mar, 2022, 11:19: AM
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CBSE 11-science - Physics
The temperature of perfect black body changes from 3000K to 4000K.What is the percentage change in energy radiation.
Asked by jatinsahu37 | 27 Mar, 2022, 04:45: PM
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CBSE 11-science - Physics
why we fill hotter in two thin blankets than one thick blanket
Asked by parineetsandhu3232 | 11 Mar, 2022, 05:49: PM
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CBSE 11-science - Physics
Heat is added to 10^3 cubic cm of water at atmospheric pressure. The water's temperature increases by 50 degrees celsius. Find (a) the work done by the water as it expands (b) the increase in water's internal energy.
Asked by arjunsah797 | 01 Mar, 2022, 03:01: PM
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CBSE 11-science - Physics
Calculate the change in volume of an iron block 10cm ×20cm×5cm if its temperature is raised from 10°c to 40°c Given coefficient of linear expansion of iron = 1.2×10^-5 °c ^-1
Asked by sanjanapujar80 | 12 Jun, 2021, 10:29: AM
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CBSE 11-science - Physics
10 gm of ice at -10℃ is added to 10gm of water at 85℃.What is the final temperature? 
Asked by akpdbbhhs | 14 May, 2021, 12:51: PM
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CBSE 11-science - Physics
A furnace emits radiation at 2000 K. Treating it as black body radiation, calculate Wave length at which emission is maximum and the corresponding radiant flux density
Asked by vikranthpoluparthi1 | 04 May, 2021, 12:30: PM
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CBSE 11-science - Physics
what is thermal expantion
Asked by shubhamgoyal1722 | 15 Dec, 2020, 11:18: AM
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