Questions

# A student takes 50gm wax (specific heat = 0.6 kcal/kgoC) and heats it till it boils. The graph between temperature and time is as follows. Heat supplied to the wax per minute and boiling point are, respectively

## 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
500cal,50∘C
b
1000cal,100∘C
c
1500 cal, 200∘C
d
1000 cal,200∘C
NEW

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

detailed solution

Correct option is C

Since specific heat =0.6kcal/gm×∘C                                =0.6cal/gm×∘CFrom graph it is clear that in a minute, the temperature is raised from 0∘C to 50∘C. ⇒ Heat required for a minute =50×0.6×50=1500calAlso from graph, Boiling point of wax is 200oC.

Similar Questions

Liquid oxygen at 50 K is heated to 300 K at constant pressure of 1 atmosphere. The rate of heating is constant. Which of the graphs shown  in Fig. represent the variation of temperature (T) with time (t)?

Get your all doubts cleared from
Sri Chaitanya experts

+91