Advertisements
Advertisements
Question
Why does a thick glass tumbler crack when very hot water is poured in it?
Advertisements
Solution
Why does a thick glass tumbler crack when very hot water is poured in it?
APPEARS IN
RELATED QUESTIONS
Give reasons:
Water pipes burst in severe winters.
How does the anomalous expansion of water help aquatic organisms in cold climates?
A 50 kg man is running at a speed of 18 km h−1. If all the kinetic energy of the man can be used to increase the temperature of water from 20°C to 30°C, how much water can be heated with this energy?
Draw a graph to show the variation in density of water with temperature in the range from 0°C to 10°C.
Describe an experiment to show that water has maximum density at 4°C. What important consequences follow this peculiar property of water? Discuss the importance of this phenomenon in nature.
Explain the following
A hollow glass sphere which floats with its entire volume submerged in water at 4°C, sinks when water is heated above 4°C.
The following figure shows a metal cylinder, containing boiling water. One half side A is polished and another half, B is painted black. Two thin metal sheets X and Y are painted black and have one rubber stopper fixed with wax on each sheet. These sheets are equidistant from the boiling water (container A, B) as shown in the diagram. What would you expect to happen after a few minutes? Give a reason for your answer.
Study the following diagrams and write down your observations.
Give reasons for the following:
Even when the water in the lakes is frozen, fish can survive.
