Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
821 views
in Physics by (89.9k points)
closed by
The temperature change versus heat supplied curve is given for 1 kg of a solid block. Then, which of the following statement is/are correct ?
image
A. Specific heat capacity of the solid is `2J kg^(-1) K^(-1)`
B. Specific heat capacity of liquid phase is `sqrt3 J kg^(-1) K^(-1)`
C. Latent heat of vaporisation is `100J kg^(-1)`
D. Latent heat of vaporisation is `200J kg^(-1)`

1 Answer

0 votes
by (90.8k points)
selected by
 
Best answer
Correct Answer - D
Heat supplied, dQ = `ms.dT`
m = 1 kg
`therefore` `s = (dQ)/(dt)` = Slope of Q-T graph
`S_(solid)` = `tan45^(@)= 1J kg^(-1) Ki^(-1)`
`S_(liquid)` = `tan30^(@)` = `1/sqrt(3)`J `kg^(-1)K^(-1)`
Latent heat of vaporisation = heat required to melt complete 1 kg = 200 J `kg^(-1)`

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...