At what temperature wood will just sink in benzene if their densities at 0°C are 8.8 x 10² kg/m³ and 9 x 10² kg/m³ respectively?

[γ_benzene = 1.2 x 10^-3K^-1 and γ_wood= 1.5 x 10^-4 K ^-1]

Ans: 19.18° C

A glass flask of volume 400 cm³ just filled with mercury at 0°C How much mercury will overflow when the temperature of the system rises to 80° C.

Ans: 0.192 cm³

An iron rod of length 100 m at 10°C is used to measure a distance of 2 km on a day when the temperature is 40°C. Calculate the error in measuring the distance.

Ans: 0.72 m

A seconds pendulum made of brass keeps correct time at 10°C. How many seconds it will lose or gain per day when the temperature of its surrounding rises to 35°C?

Ans: 21.6 sec

A glass flask of volume 500 cm³ is just filled with mercury at 0°c. How much mercury overflows when the temperature of the system is raised to 80°c.

Ans: 0.24 cm³

A copper vessel with a volume of exactly 100m³ at a temperature of 15°C is filled with glycerin. If the temperature rises to 25°C, how much glycerin will spill out?

Ans: 0.48 m³

The pendulum of a clock is made of brass. If the clock keeps the correct time at 15°C, how many seconds per day will it lose at 20°C?

Ans: 4 sec

A glass vessel of volume 50cm³ is filled with mercury and is heated from 20°C to 60°C. What volume of mercury will overflow?

Ans: 0.35 cm³

Using the following data, determine the temperature at which wood will just sink in benzene. Density of benzene at 0°c = 9.0 x 10² kgm^-3. Density of wood at 0°c = 8.8x 10² kg/m³.

Ans: 21.7°c

A brass pendulum clock keeps correct time at 15°C. How many seconds per day it will lose or gain at 0°C?

Ans: 12.96 sec

The marking on an aluminium ruler and a brass ruler are perfectly aligned at 0°C. How far apart will the 20.0 cm marks be on the two rulers at 100°C, if the precise alignment of the left hand ends of the rulers is maintained?

Ans: 0.008 cm

A glass flask with volume 200 cm³ is filled to the brim with mercury at 20°C. How much mercury overflows when the temperature of the system is raised to 100°C?

Ans: 2.688 cm

Two ends of a steel wire of length 8 m and 2 mm radius are fixed to two rigid supports. Calculate the increase in tension in the wire when temperature falls by 10°C.

Ans: 75.36 N

A Steel wire having a length of 8 m and a diameter of 4 mm is fixed between two rigid support. Calculate the increase in tension on a wire when the temperature falls by 10°C. Where Young's modulus of wire = 2x10¹¹ N/m², linear expansivity of steel = 1 .2x 10^-5K^-1.

Ans: 301.6 N