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Explain the use of prepositions of time and give examples
EnglishHazrat Asma
How much heat is lost in an hour through a glass window measuring
PhysicsTransfer of Heat
The concrete roof of a house of a thickness of 20 cm has an area
PhysicsTransfer of Heat
Find the temperature of the water after passing 5 g of steam
PhysicsThermal properties of matter
How much heat is required to change 100g of water at 100°C into steam
PhysicsThermal properties of matter
Find the quantity of heat needed to melt 100g of ice
PhysicsThermal properties of matter
How much ice will melt by 5000 J of heat
PhysicsThermal properties of matter
An electric heater supplies heat at the rate of 1000J per second.
PhysicsThermal properties of matter
How much heat is required to increase the temperature
PhysicsThermal properties of matter
The thermal coefficient of volume expansion of air
PhysicsThermal properties of matter
Calculate the increase in the length of an aluminum bar 2 m
PhysicsThermal properties of matter
Normal human body temperature is 98.6°F, convert it into Celsius scale and Kelvin scale.
PhysicsThermal properties of matter
what is its value on the Fahrenheit scale
PhysicsThermal properties of matter
Suggest a simple activity 2 sure connection of heat in gases not given in the book.
PhysicsTransfer of Heat
What is meant by convention current?
PhysicsTransfer of Heat
Why transfer of heat in fluids takes place by convention?
PhysicsTransfer of Heat
What measures do you suggest to conserve energy in houses?
PhysicsTransfer of Heat
Why conduction of heat does not take place in gases?
PhysicsTransfer of Heat
Why metals are good conductors of heat?
PhysicsTransfer of Heat
Explain the application and consequences of radiation?
PhysicsTransfer of Heat
Explain the impact of the greenhouse effect on global warming.
PhysicsTransfer of Heat
What is the greenhouse effect?
PhysicsTransfer of Heat
How does heat reach us directly from a fireplace?
PhysicsTransfer of Heat
How various surfaces can be compared by a Leslie cube?
PhysicsTransfer of Heat