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Mechanical Physics – Thermal Properties of Matter

IIT JEE Main | Advanced | BITSAT | SAT | NEET | AP Physics | MSAT | MCAT | Course for high school, college
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Platform: Udemy
Video: 4h 10m
Language: English
Next start: On Demand

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9.1 / 10

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9.9 / 10
This course was last updated on 3/2022.

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7.8 / 10
Video Score: 8.2 / 10
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Table of contents

Description

Thermal Properties of Matter
•Heat, temperature, thermal expansion
•Thermal expansion of −
•Solids
•Liquids
•Gases
•Anomalous expansion of water
•Specific heat capacity
•Cp, Cv – calorimetry
•Change of state
•Latent heat capacity
•Heat transfer −
•Conduction
•Convection
•radiation
•Thermal conductivity
•Qualitative ideas of Blackbody radiation
•Wein’s displacement Law
•Stefan’s law
•Greenhouse effect
SUMMARY
1. Heat is a form of energy that flows between a body and its surrounding medium by virtue of temperature difference between them. The degree of hotness of the body is quantitatively represented by temperature.
2. A temperature-measuring device (thermometer) makes use of some measurable property (called thermometric property) that changes with temperature. Different thermometers lead to different temperature scales. To construct a temperature scale, two fixed points are chosen and assigned some arbitrary values of temperature. The two numbers fix the origin of the scale and the size of its unit.
3. The ideal gas equation connecting pressure (P), volume (V) and absolute temperature (T) is : PV = μRT where μ is the number of moles and R is the universal gas constant.
4. In the absolute temperature scale, the zero of the scale is the absolute zero of temperature – the temperature where every substance in nature has the least possible molecular activity. The Kelvin absolute temperature scale (T ) has the same unit size as the Celsius scale (Tc ), but differs in the origin : Tc = T – 273.15
5. The latent heat of fusion (Lf ) is the heat per unit mass required to change a substance from solid into liquid at the same temperature and pressure. The latent heat of vaporisation (Lv ) is the heat per unit mass required to change a substance from liquid to the vapour state without change in the temperature and pressure.
6. The three modes of heat transfer are conduction, convection and radiation.
POINTS TO PONDER
1. The relation connecting Kelvin temperature (T ) and the Celsius temperature tc ;  T = tc + 273.15 and the assignment T = 273.16 K for the triple point of water are exact relations (by choice). With this choice, the Celsius temperature of the melting point of water and boiling point of water (both at 1 atm pressure) are very close to, but not exactly equal to 0 °C and 100 °C respectively. In the original Celsius scale, these latter fixed points were exactly at 0 °C and 100 °C (by choice), but now the triple point of water is the preferred choice for the fixed point, because it has a unique temperature.
2. A liquid in equilibrium with vapour has the same pressure and temperature throughout the system; the two phases in equilibrium differ in their molar volume (i.e. density). This is true for a system with any number of phases in equilibrium.
3. Heat transfer always involves temperature difference between two systems or two parts of the same system. Any energy transfer that does not involve temperature difference in some way is not heat.
4. Convection involves flow of matter within a fluid due to unequal temperatures of its parts. A hot bar placed under a running tap loses heat by conduction between the surface of the bar and water and not by convection within water.

You will learn

✓ Introduction
✓ Temperature and heat
✓ Measurement of temperature Ideal-gas equation and absolute temperature
✓ Thermal expansion
✓ Specific heat capacity
✓ Calorimetry
✓ Change of state
✓ Newton’s law of cooling

Requirements

• Should know calculus, trigonometry

This course is for

• Complete Physics for Engineering and Medical Entrance Exam Preparation. ( IIT JEE Main | Advanced | BITSAT | SAT | NEET etc.)
• AP Physics | MSAT | MCAT | Course for high school, college
• Courses are suitable for students from over 160 countries from Europe, America, Middle East, Asia, Africa and APAC. Notably England, Germany, France, Sweden, Ireland, Scotland, USA, Canada, UAE, Saudi, Qatar, Kuwait, Malaysia, Indonesia, Myanmar, Newzealand, Australia, South Africa, South Korea, Nigeria, etc

How much does the Mechanical Physics - Thermal Properties of Matter course cost? Is it worth it?

The course costs $14.99. And currently there is a 25% discount on the original price of the course, which was $24.99. So you save $10 if you enroll the course now.

Does the Mechanical Physics - Thermal Properties of Matter course have a money back guarantee or refund policy?

YES, Mechanical Physics – Thermal Properties of Matter has a 30-day money back guarantee. The 30-day refund policy is designed to allow students to study without risk.

Are there any SCHOLARSHIPS for this course?

Currently we could not find a scholarship for the Mechanical Physics - Thermal Properties of Matter course, but there is a $10 discount from the original price ($24.99). So the current price is just $14.99.

Who is the instructor? Is studi live a SCAM or a TRUSTED instructor?

studi live has created 115 courses that got 13 reviews which are generally positive. studi live has taught 111 students and received a 4.4 average review out of 13 reviews. Depending on the information available, studi live is a TRUSTED instructor.
Online Learning
Studi Live is an Indian educational venture based in Mumbai. The founders of this portal are into education and technology domains since more than 20 years. Studi Live currently offers online and live lectures for IITJEE and NEET preparation.
The portal will eventually add courses for school students from 5th to 12th, Olympiads, Professional Courses, Commerce and Software Programming for all levels. The Studi Live portal, as the name suggests, offers online live lectures in interactive mode. The site uses highly safe and secure WEBEX platform for online lectures.
Unlike most of the other edtech portals, Studi Live is a collaborative and activity-based platform which strives to conform to the New Education Policy by the Government of India.

9.1

CourseMarks Score®

9.9

Freshness

N/A

Feedback

7.8

Content

Platform: Udemy
Video: 4h 10m
Language: English
Next start: On Demand

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