NEET Last 32 Years Solved 1988 – 2019 Physics and Chemistry Video Solutions

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 ) 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 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 ? 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 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 ,

Which one of the following processes depends on gravity ? Which one of the following processes depends on gravity ? August 26, 2020 Category: Chapter 17 - Thermal Properties of Matter , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,

Rate of heat flow through a cylindrical rod is H1. Temperatures of ends of rod are T1 and T2. If all the dimensions of rod become double and temperature difference remains same and rate of heat flow becomes H2. Then conductivity K1​ and K2​ and areas of cross section (A1​ and A2​) and both having [...]

Consider two rods of same length and different specific heats (s1​ and s2​), conductivity K1​ and K2​ and areas of cross section (A1​ and A2​) and both having temperature (T1​ and T2)​ at their ends. If the rate of heat loss due to conduction are equal, then conductivity K1​ and K2​ and areas of cross [...]

Consider a compound slab consisting of two different materials having equal lengths, thicknesses and thermal conductivity K and 2 K respectively. The equivalent thermal conductivity of the slab is Consider a compound slab consisting of two different materials having equal lengths thicknesses and thermal conductivity K and 2 K respectively. The equivalent thermal conductivity of [...]

If 1 g of steam is mixed with 1 g of ice, then the resultant temperature of the mixture is If 1 g of steam is mixed with 1 g of ice then the resultant temperature of the mixture is August 26, 2020 Category: Chapter 17 - Thermal Properties of Matter , NEET Last 32 [...]