Ch 9 Physics Class 9
Important easy to understand Notes of Ch 9 Physics Class 9 English Medium written by Professor Sulman Arif Suib. These notes are very helpful in the preparation of Physics for students of the 9th class Physics English Medium and these are according to the paper patterns of all Sindh Book Boards.
Summary and Contents:
Topics which are discussed in the notes are given below:
- Differentiate between Heat and Temperature.
- Write short note on thermometer.
- Define and give formula of heat capacity.
- Define and give formula of specific heat capacity.
- Dine heat of fusion, heat of vaporization.
- Differentiate between vaporization and boiling.
- Discuss the factor of surface vaporization.
- Define thermal expansion. List down its example.
- Write a short note on biometric thermostat.
- What do you know about Rivets?
- Solved Numerical of the exercise Ch 9 Physics Class 9.
- Convert 30 degree into Kelvin and Fahrenheit Scale.
- The temperature of Hyderabad on a hot day is 45 degree Celsius 45 degree. What will be its equivalent temperature on Fahrenheit Scale?
- The thermal energy required to raise the temperature off 50g of water from 40C is 6300J. Calculate the specific heat capacity of water.
- 2kg of copper requires 2050J of heat to raise its temperature through 10C. Calculate the heat capacity of the sample.
- A copper rod 15m long is heated, so that its temperature changes from 30C to 85C. Find the change in the length of the rod. The coefficient of linear expansion of copper is 17*10-6C.