Q.1 How will you show that heat is a form of energy?
Q.2 Write the name of two solids that contract on heating.
Q.3 Why waterpipes sometimes burst at cold places. .
Q.4 Why soft drink glass bottle often cracks when left in the freezer compertment for a long time ?
Q.5 How aquatic animals are surviving at the places where temperature goes down below zero degree Celsius.
Q.6 why mercury is used in thermometer?
Q.7 What is least count ? Write the formula for calculating least count?
Q.8 How will you show that in convect
Q.1 How will you show that heat is a form of energy?
Q.2 Write the name of two solids that contract on heating.
Q.3 Why waterpipes sometimes burst at cold places.
Q.4 Why soft drink glass bottle often cracks when left in the freezer compertment for a long time ?
Q.5 How aquatic animals are surviving at the places where temperature goes down below zero degree Celsius.
Q.6 why mercury is used in thermometer?
Q.7 What is least count ? Write the formula for calculating least count?
Q.8 How will you show that in convection heat is transferred from one point to another with the actual movement of particle.
Q.9 How will you show that black colour is good absorber of heat than white.
Q.10 Why fire brigade men often use shining brass capes?
Answer all question otherwise i will report .
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Answers
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Heat can be converted into electrical and light energy which is a form of energy giving us evidence of heat being energy. And heat travels through infrared radiation. Yet another proof of heat being energy form.
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Explanation:
Ans-1. If u heat up one end of the bar, heat will conduct along the length of the bar and warm up the other end. Energy in the form of heat is transferred along the bar.
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