| 1 |
A thermometer has a narrow capillary tube so that it. |
Gives alarge chagne for a given temperture rise
Quickly responds to temperature changes
Can read the maximum temperature
Can measure a large range of temperature.
|
| 2 |
Water is not a used as a thermometric liquid mainly due to. |
Non linear expansion
Clourless
Low boiling point (100 oC)
A bad conductor of heat
|
| 3 |
One disadvantage of using alcohol in a liquid in glass therometer. |
It wets the glass tube
It has large expansivity
It has low freezign point (-112 oC)
Its expansion is linear
|
| 4 |
Which one is a better choice for a liquid in glass thermometer is that. |
Wets glass
Is colourless
Is a bad conductor
Expand linearly
|
| 5 |
The temperature which has the same value on Celcius and Fahrenheit scale is. |
-45
+40
-40
+45
|
| 6 |
In Kelvin scale, the temperature corresponding to melting point of ice is |
+273
-273
32
Zero
|
| 7 |
Heat is the |
The energy in transit
Total kinetic energy of the molecules
The internal energy
Work done by the olecules
|
| 8 |
Temperatur eof substance is |
The total amount of heat contained in it
Degree of hotness of coldness
The total nuber of molecules in it
Dependent upon the intermolecular distance
|
| 9 |
What type of motion is of the molecules in a gas. |
Random motion
Linear motion
Vibratory motion
Rotatory motion
|
| 10 |
How dow the molecules in a solid behave. |
Move randomly
Move in a stragiht line rom hot to cold ends
Vibrate about their mean position
Rotate and vibrae randomly at their own positions
|
| 11 |
Which of the following physical properties is used in a mercury thermometer. |
Colour
Pressure
Volume
Electrical resistance
|
| 12 |
What is mass of a liquid of density 50 kg m-3 in a container of volume 5 m3? |
200 kg
250 kg
225 kg
275 kg
|
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