| ⇦ | 
| ⇨ |
At 0⁰C, 15 gm of ice melts to form water at 0⁰C. The change in entropy is
Options
(a) zero
(b) 18.5
(c) 15
(d) None of these
Correct Answer:
18.5
Explanation:
Heat absorbed = mL cal. = mL J joule
Change of entropy ∆S = Heat/Temperature
∆S = mLJ / Temperature = (15×80×4.2) / 273
∆S = 18.46 J/K.
Related Questions: - The magnetic field due to a current carrying circular loop of radius 3 cm at a point
- A galvanometer having internal resistance 10Ω requires 0.01 A for a full scale
- A soap bubble oscillates with time period T, which in turn depends on the pressure
- The damping force on an oscillator is directly proportional to the velocity.
- A 0.5 kg ball moving with a speed of 12 m/s strikes a hard wall at an angle
Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The magnetic field due to a current carrying circular loop of radius 3 cm at a point
- A galvanometer having internal resistance 10Ω requires 0.01 A for a full scale
- A soap bubble oscillates with time period T, which in turn depends on the pressure
- The damping force on an oscillator is directly proportional to the velocity.
- A 0.5 kg ball moving with a speed of 12 m/s strikes a hard wall at an angle
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply