Chapter 17 – Thermal Properties of Matter
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The wavelength corresponding to maximum intensity of radiation emitted by a source at temperature 2000 K is λ. then what is the wavelength corresponding to maximum intensity of radiation at temperature 3000 K ?
26
Aug
The wavelength corresponding to maximum intensity of radiation emitted by a source at temperature 2000 K is λ. then what is the wavelength corresponding to maximum intensity of radiation at temperature 3000 K ? The unit of Stefan's constant is August 26, 2020 Category: Chapter 17 - Thermal Properties of Matter , NEET Last 32 [...]
Which of the following is close to an ideal black body ?
26
Aug
Which of the following is close to an ideal black body ? Which of the following is close to an ideal black body ? August 26, 2020 Category: Chapter 17 - Thermal Properties of Matter , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
Wien’s displacement law expresses relation between
26
Aug
Wien’s displacement law expresses relation between Wien's displacement law expresses relation between August 26, 2020 Category: Chapter 17 - Thermal Properties of Matter , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
The unit of Stefan’s constant is
26
Aug
The unit of Stefan’s constant is The unit of Stefan's constant is August 26, 2020 Category: Chapter 17 - Thermal Properties of Matter , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
10 gm of ice cubes at 0 degree C are released in a tumbler (water equivalent 55 g) at 40 degree C. Assuming that negligible heat is taken from the surroundings, the temperature of water in the tumbler becomes nearly(L = 80 cal/g)
26
Aug
10 gm of ice cubes at 0 degree C are released in a tumbler (water equivalent 55 g) at 40 degree C. Assuming that negligible heat is taken from the surroundings, the temperature of water in the tumbler becomes nearly(L = 80 cal/g) 10 gm of ice cubes at 0 degree C are released in [...]
For a black body at temperature 727 degree C, its radiating power is 60 watt and temperature of surrounding is 227 degree C. If temperature of black body is changed to 1227 degree C then its radiating power will be : –
26
Aug
For a black body at temperature 727 degree C, its radiating power is 60 watt and temperature of surrounding is 227 degree C. If temperature of black body is changed to 1227 degree C then its radiating power will be : – For a black body at temperature 727 degree C its radiating power is [...]
A body cools from 50 degree c to 49.9 degree c in 5 s. How long wil take to cool from 40 degree c to 39.9 degree c ? ( Assume the temperature of surrounding to be 30 degree c and Newton’s law of cooling to be valid )
26
Aug
A body cools from 50 degree c to 49.9 degree c in 5 s. How long wil take to cool from 40 degree c to 39.9 degree c ? ( Assume the temperature of surrounding to be 30 degree c and Newton’s law of cooling to be valid ) A beaker full of hot water [...]
A beaker full of hot water is kept in a room. If it cools from 80 degree C to 75 degree C in t1 minutes, from 75 degree C to 70 degree C in t2 minutes and from 70 degree C to 65 degree C in t3 minutes, then
26
Aug
A beaker full of hot water is kept in a room. If it cools from 80 degree C to 75 degree C in t1 minutes, from 75 degree C to 70 degree C in t2 minutes and from 70 degree C to 65 degree C in t3 minutes, then A beaker full of hot water [...]
A Centigrade and Fahrenheit thermometers are dipped in boiling water. The water temperature is lowered until the Fahrenheit thermometer registers a temperature of 140 degree. what is the fall of the temperature as registered by the centigrade thermometer ?
26
Aug
A Centigrade and Fahrenheit thermometers are dipped in boiling water. The water temperature is lowered until the Fahrenheit thermometer registers a temperature of 140 degree. what is the fall of the temperature as registered by the centigrade thermometer ? conductivity K1 and K2 and areas of cross section (A1 and A2) and both having temperature [...]
Mercury thermometer can be used to measure temperature upto
26
Aug
Mercury thermometer can be used to measure temperature upto Mercury thermometer can be used to measure temperature upto August 26, 2020 Category: Chapter 17 - Thermal Properties of Matter , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,