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7. 50g of steam at 100 degree centigrade is passed into a mixture of 100g of ice and 200gm of water at 0 degree centigrade. Find the rise in temperature. (S.L. H. Of steam = 540 cal/g and Lf of ice = 80cal/g) |
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| asked by paresh Ghosh (pareshghosh) 8 years ago |
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+ 6 more questions by pareshghosh
6. How much steam at 100 degree centigrade will just melt 3200g of rice at -10 degree centigrade ? ( S.H.C of rice = 0.5 cal/g digree centigrade; Let heat of vapour of steam =540cal/gg). |
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| asked by paresh Ghosh (pareshghosh) 8 years ago |
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5. An aluminium cessel of mass 200g, contains 0.5 litre of water. What is the heat required to raise the temperature of the system from 25 Degree centigrade to 75 Degree centigrade? (S.H.C of Aluminium 0.84X10^3J/kg dehree centigrade and S.H.C of water 4.2X10^3J/kg dehree centigrade. A dencity water = 10^3/m^3) |
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| asked by paresh Ghosh (pareshghosh) 8 years ago |
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A bulb is joined to a battery of e.m.f 6V. A steady current of 0.5 A flows through circuit. Calculate the total energy provided by the battery in 5 minutes. |
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| asked by paresh Ghosh (pareshghosh) 8 years ago |
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3. A house wife uses “a fire tong pair” of length 20cm to lift a piece of burning coal of mass 200gm. If she applies force at a distance of 5cm from the fulcrum, what is her effort? If the efficiency of the fire tong is 100% . find it M.A and V. R. |
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| asked by paresh Ghosh (pareshghosh) 8 years ago |
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2. If the wavelength of Deepika’s voice is 2 and that of Ashwaria is 5m respectively in air. Find the frequency of Ashwaria’s voice. Fi the frequency of Deepika’s voice is 750Hz. Which of them has a higher pitch? |
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| asked by paresh Ghosh (pareshghosh) 8 years ago |
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1. A man throws a body of mass 500gm with a velocity of 10m/s vertically upward on a planet he weight of the body on the planet. |
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| asked by paresh Ghosh (pareshghosh) 8 years ago |
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can I download the answers? |
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| asked by Guy (devrath) 8 years ago |
1 | + 1 more questions by devrath
Is there any sort of chapter wise weightage in physics for the board? |
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| asked by Guy (devrath) 8 years ago |
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In SMALL PAIN IN MY CHEST, the reference of "Asian dirt" is made to which war? Is it the war between North and South Vietnam or any other war? |
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| asked by Meeti Kapadia (meetihpk) 8 years ago |
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can anyone post previous 10 years French ICSEQuestion papers for 10th? |
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| asked by Nishanth Adithyan (yoyonish) 8 years ago |
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Do we even have to show the steps of constructions in maths or we simply have to draw the figure? |
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| asked by Rinki Lata (alldbesthappy) 8 years ago |
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WHAT IS AGRO-FORESTRY IN GEOGRAPHY? IT WAS ASKED IN ONE OF THE EXAMS. |
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| asked by Shreyas Roshan
(befirst) 8 years ago |
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In ICSE 2015 Geography paper, we are asked to find out the time taken to cycle along the N-S distance on the map..
The calcuated ans is about 1 hour 35 min but the answers provided in the self-study's etc is 1 hour. How's it possible?
And if all something like that is asked this year also, what to do?
Please help.... |
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| asked by Josna Jose (schoolkid) 8 years ago |
2 | + 1 more questions by schoolkid
Can anyone suggest me the important chapters for Hindi from Ekanki Suman, Gadya Sankalan and Chandragupta Vikramaditya? |
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| asked by Josna Jose (schoolkid) 8 years ago |
2 |
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I need the answer of class 10 ices 2004 board paper of chemistry |
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| asked by Saloni Mehendiratta (saloni1518) 8 years ago |
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Does the Indian standard meridian pass through Sri Lanka and which is the largest and second largest producer of iron ore? |
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| asked by Jose Dsa (jose54) 8 years ago |
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