Advertisements
Advertisements
प्रश्न
Choose the correct option.
A glass bottle completely filled with water is kept in the freezer. Why does it crack?
पर्याय
Bottle gets contracted
Bottle is expanded
Water expands on freezing
Water contracts on freezing
Advertisements
उत्तर
Water expands on freezing
APPEARS IN
संबंधित प्रश्न
Choose the correct option.
If two temperatures differ by 25° C on Celsius scale, the difference in temperature on Fahrenheit scale is
Choose the correct option.
Consider the following statements-
(I) The coefficient of linear expansion has dimension K-1.
(II) The coefficient of volume expansion has dimension K-1.
Choose the correct option.
Water falls from a hight of 200 m. What is the difference in temperature between the water at the top and bottom of a waterfall given that the specific heat of water is 4200 J kg-1 °C-1?
Define specific heat capacity.
Write the unit of specific heat capacity.
Define molar specific heat capacity.
What is a thermal expansion?
Give the expression for linear thermal expansion.
Give the expression for area thermal expansion.
Give the expression for volume thermal expansion.
Define latent heat capacity.
Write the unit of latent heat capacity.
Define thermal conductivity.
Write the unit of thermal conductivity.
Discuss the ideal gas laws.
Explain in detail the thermal expansion.
Describe the anomalous expansion of water. How is it helpful in our lives?
Calculate the number of moles of air is in the inflated balloon at room temperature as shown in the figure.
The radius of the balloon is 10 cm, and the pressure inside the balloon is 180 kPa.
The temperature of a uniform rod of length L having a coefficient of linear expansion αL is changed by ∆T. Calculate the new moment of inertia of the uniform rod about the axis passing through its center and perpendicular to an axis of the rod.
A man starts bicycling in the morning at a temperature around 25°C, he checked the pressure of tire which is equal to be 500 kPa. Afternoon he found that the absolute pressure in the tyre is increased to 520 kPa. By assuming the expansion of tyre is negligible, what is the temperature of tyre at afternoon?
What is the difference between temperature and heat energy?
Why is the sense of touch not sufficient to measure temperature scientifically?
