Subject :NSO Class : Class 7
Hot milk is poured into four bowls as shown in figure. In which bowl the temperature of milk will drop at fastest rate?
A 
B 
C 
D 
Ans 1:
Class : Class 9
The correct answer is obviously option c.
Ans 2:
Class : Class 9
Admin from revisewise how?
Ans 3:
Class : Class 9
Ans 4:
Class : Class 9
Ans 5:
Class : Class 10
I mean c was wrong
Ans 6:
Class : Class 9
Ans 7:
Class : Class 10
D
Ans 8:
Class : Class 7
I think I can explain this. We know it has to be a metal bowl so that it conducts the heat from the milk. Now, if we have a thinner bowl, the conducted heat can be transferred to the air faster and more efficiently. That's why I think the answer is c and not d.
Ans 9:
Class : Class 8
Ans 10: (Master Answer)
Class : Class 1
The correct answer is D.
Ans 11:
Class : Class 9
Ans 12:
Class : Class 10
D but in level 2 same question ans given as c