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प्रश्न
Draw a neat and labeled diagram of a clinical thermometer
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उत्तर
A clinical thermometer is used to measure body temperature. The capillary tube has a constriction above the bulb preventing mercury to fall back once it has risen
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संबंधित प्रश्न
Draw a neat labelled diagram of a laboratory thermometer.
Name three devices which are used to detect heat radiations.
Why is a ventilator provided in a room?
State three main characteristics of a thermometric substance.
Give a scientific reason for the following:
Old quits are less warm than the new ones.
The hot metal ball is suspended from a string in a metal box as shown in the following figure
(i) What are the ways in which the ball loses heat
(ii) Which side of the box will be the hottest and which the least hot after some time? Explain.
Heat flows from a ______ body to a _____ body.
Match the following
| 1. | Heat | 0o C |
| 2. | Temperature | 100o C |
| 3. | Thermal Equilibrium | kelvin |
| 4. | Ice cube | No heat flow |
| 5. | Boiling water | joule |
State whether true or false. If false, correct the statement.
One Celsius degree is an interval of 1K and zero degree Celsius is 273.15 K.
Define absolute zero.
