The coefficient of volumetric expansion of mercury is 18 10-5/ C. The – McqOptions

MCQOPTIONS

1.	The coefficient of volumetric expansion of mercury is 18 10^-5/ C. The thermometer bulb has a volume of 10^-6 m³ and cross-section of the stem is 0.002cm². Assuming that bulb is filled with mercury at 0 C, the increase in length of the mercury column at 100 C will be ___________
A.	9cm
B.	9mm
C.	18cm
D.	18mm
Answer» B. 9mm

Discussion

No Comment Found

Related MCQs

During constant temperature, we feel colder on the day when the humidity is ___________
The triple point of water is ___________
A black body at 200 K is found to emit maximum energy at a wavelength 14 m. When its temperature is raised to 1000K, then wavelength at which maximum energy emitted it?
A black body radiates energy at the rate of 1 10<sup>5</sup> J/(sm)<sup>2</sup> at a temperature of 227 C. The temperature to which it must be heated so that it radiates energy at the rate of 1 10<sup>9</sup> J/(sm)<sup>2</sup>.
A perfectly black body is one whose ___________
Mud houses are cooler in summer and warmer in winter because ___________
Two rods having thermal conductivity in the ratio of 5:3 having equal lengths and equal cross-sectional area are joined end to end. If the temperature of the free end of the first rod is 100 C and free end of the second rod is 20 C, then the temperature of the junction is?
A body A of mass 0.5kg and specific heat 0.85 is at a temperature of 60 C. Another body B of mass 0.3kg and specific heat 0.9 is at a temperature of 90 C. When they are connected to a conducting rod, heat will flow from ___________
If the temperature of a rod is increased by 10 C, its length increases by 1%. What is the percentage change in volume of the body of the same material for 10 C increase in temperature?
Amount of heat required to raise the temperature of a body through 1K is called ___________