A liquid in a beaker has temperature \( \theta(t) \) at time \( t \) and \( \theta_{0} \) is tem...

Channel:
PW Solutions
Subscribers:
445,000
Published on ● Video Link: https://www.youtube.com/watch?v=8ZYM2Y07rR0


Duration: 3:35
5 views
0

A liquid in a beaker has temperature \( \theta(t) \) at time \( t \) and \( \theta_{0} \) is temperature of surroundings, then according to Newton's law of cooling, the correct graph between \( \log _{e}\left(\theta-\theta_{0}\right) \) and \( t \) is
(a)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2022-11-07Assertion A black body at higher temperature \( T \) radiates energy \( U \). When temperature f...
2022-11-07Assertion The rate of loss of heat of a body at \( 300 \mathrm{~K} \) is \( R \). At \( 900 \mat...
2022-11-07Assertion For higher temperatures, the peak emission wavelength of a black body shifts to lower ...
2022-11-07Assertion The radiation from the sun's surface varies as the fourth power of its absolute temper...
2022-11-07Assertion Desert regions are hotter in day and colder at night. Reason Desert sand is dry.
2022-11-07Assertion When temperature difference across the two sides of a wall is increased, its thermal c...
2022-11-07Assertion The SI unit of Stefan's constant is \( \mathrm{Wm}^{-2} \mathrm{~K}^{-4} \). Reason Th...
2022-11-07Assertion Water kept in an open vessel will quickly evaporate on the surface of the moon. Reason...
2022-11-07Assertion If equal amount of heat is added to equal masses of different substances, the resultin...
2022-11-07Assertion When heat transfer takes place between a system and surroundings, the total heat conte...
2022-11-07A liquid in a beaker has temperature \( \theta(t) \) at time \( t \) and \( \theta_{0} \) is tem...
2022-11-07Assertion A hotter body has more heat content than a colder body. Reason Temperature is the meas...
2022-11-07An object kept in a large room having air temperature of \( 25^{\circ} \mathrm{C} \) takes 12 mi...
2022-11-07A cup of tea cools from \( 81^{\circ} \mathrm{C} \) to \( 79^{\circ} \mathrm{C} \) in \( 1 \math...
2022-11-07A body cools in \( 7 \mathrm{~min} \) from \( 60^{\circ} \mathrm{C} \) to \( 40^{\circ} \mathrm{...
2022-11-07Certain quantity of water cools from \( 70^{\circ} \mathrm{C} \) to \( 60^{\circ} \mathrm{C} \) ...
2022-11-07In equation \( -\frac{d Q}{d t}=k\left(T_{2}-T_{1}\right) \), where \( k \) is a positive consta...
2022-11-07Hot water or milk, when left on a table begins to cool gradually, because (a) temperature of sur...
2022-11-07If temperature of sun \( =6000 \mathrm{~K} \), radius of sun \( =7.2 \times 10^{5} \mathrm{~km} ...
2022-11-07Three very large plates of same area are kept parallel and close to each other. They are conside...
2022-11-07The rate of loss of heat depends on (a) the sum of temperature of the body and its surroundings ...


Tags:
pw