Download the app

Questions  

A bucket fulI of hot water cools from 75oC to 70oC in time T1, from 70oC to 65oC in time T2 and from 65oC to 60oC in time T3, then

Unlock the full solution & master the concept.

Get a detailed solution and exclusive access to our masterclass to ensure you never miss a concept
By Expert Faculty of Sri Chaitanya
a
T1=T2=T3
b
T1>T2>T3
c
T1
d
T1>T2
NEW

Ready to Test Your Skills?

Check Your Performance Today with our Free Mock Tests used by Toppers!

detailed solution

Correct option is C

According to Newton's law of coolingRate of cooling ∝ Mean temperature difference⇒  Fall in temperature  Time ∝θ1+θ22−θ0∵ θ1+θ221>θ1+θ222>θ1+θ223⇒ T1


Similar Questions

A body cools down from 60°C to 55°C in 30 s. Using Newton’s law of cooling, calculate the approximate time taken by same body to cool down from 5 5°C
to 50°C. Assume that the temperature of surroundings is 45°C.

Get your all doubts cleared from
Sri Chaitanya experts

counselling
india
+91

phone iconwhats app icon