The bulb of one thermometer is spherical, while that of other is cylindrical. If both of them have equal amount of mercury,which thermometer will respond quickly to the temperature?

Solution
As the surface area of cylindrical bulb is larger than a spherical bulb, heat will be transmitted quickly through a cylindrical bulb and it will respond quickly to the temperature.
At a common temperature,a block of wood and a block of metal feel equally cold or hot. The temperatures of block and wood are

Solution
The temperatures of the block and wood are equal to the temperature of the body as both feel equally hot or cold.
In order that the heat flows from one part of a solid to another part, what is required?

Solution
As heat flows from higher temperature to lower temperature, so a temperature gradient is required.
Triple point is the temperature at which

Solution
Triple point is the temperature where three states of matter can exist simultaneously.
At 0°C a body emits

Solution
At any temperature other than zero K, each bodyemitsall wavelengths.

Solution
When a body is heated, the distance between any two points on it increases. The increase is in the same ratio for any set of two point.
What temperature is the same on celsius scale as well as on Fahrenheit scale?

Solution
\(\frac{C}{5}=\frac{F32}{9}\) here C=F
\(\frac{C}{5}=\frac{F32}{9}\) ⇒ 9C=5C–160
4C=–160 ⇒ C=–40°C.
Thus at –40°C and –40°F the temperture is same.
Ventilators are provided at the top of room
The temperature of a room is 77°F. What would it be on the Celsius scale?
Heat is transmitted from higher to lower temperature throughactual mass motion of the molecules in