We prefer mercury as a thermometric substance because______________?

Related Mcqs:

1. It is easier to turn a steering wheel with both hands than with a single hand because______________?

   A. Accelerating force increases on the wheel
   B. Two forces act on the wheel
   C. Two hands provide a firm grip
   D. The couple acts on the wheel

2. In a clinical thermometer the mercury in the capillary tube does not contract once removed from the patient because_______________?

   A. Mercury takes a long time to contract
   B. The amount of mercury use is very small
   C. The capillary tube has a small constriction near the bulb
   D. The capillary tube is very narrow

3. The pressure exerted by a column of mercury 76cm high and at 0°C is called_______________?

   A. 1 atmosphere
   B. 1 Newton per square meter
   C. 1 Pascal
   D. data is insufficient

4. What is the SI unit of modulus of elasticity of substance ?

   A. Nm-2
   B. Jm-2
   C. Nm-1
   D. Being a number it has no unit.

5. If electrical conductivity increases with the increase of temperature of a substance, then it is a:

   A. Semiconductor
   B. Conductor
   C. Insulator
   D. None of the above

   Submitted by: Naveed Tahir

6. With the increase of pressure, the boiling point of any substance:

   A. Decreases
   B. Increases
   C. Remains same
   D. Becomes Zero

   Submitted by: Naveed Tahir

7. Length, mass, time, intensity of light and amount of substance are examples of ____________?

   A. Base quantities
   B. Derived quantities
   C. Prefixes
   D. Quartile quantities

   Submitted by: Shabana

8. Dimension of pressure is__________________?

   A. MLT
   B. ML-1T-1
   C. ML-1T-2
   D. ML-2T-2

9. Metabolism is the name of a process in which energy transformation takes place within______________?

   A. Heat engine
   B. Human body
   C. Atmosphere
   D. Laboratory

10. Standard condition STP refer to a gas at ___________________?

    A. 76cm 0°C
    B. 760mm 273K
    C. 1atm 273K
    D. all of the above