0
The bulb of the thermometer must be submerged in the water because that is where the temperature of the water is accurately measured. The bulb is the part of the thermometer that contains the temperature-sensitive material, such as Mercury or alcohol, which expands or contracts depending on the temperature of the water. This expansion or contraction is then displayed on the thermometer scale, giving an accurate reading of the water temperature.
What else can I help you with?
What conditions must be met in terms of density of a body for it to float submerged in water?
A body whose total density is greater than that of water will sink in water;that is, if it's not supported, it will continuously drift lower.A body whose total density is less than that of water will float in water; that is,it will sink only partially, and will then remain on the surface and sink no lower.A body whose total density is exactly equal to that of water will have "neutral buoyancy",and will "float submerged" so to speak. That is, none of it will remain above the surface,but once submerged, it will neither rise nor sink further, but will maintain the depth at whichit is placed.
Why must a laboratory thermometer be left in place to take a reading?
A laboratory thermometer must be left in place to take a reading because the thermometer needs time to adjust and reach thermal equilibrium with the substance being measured. Moving the thermometer too soon can result in an inaccurate reading.
What must condition must be met for the light bulb to turn on?
The light bulb must be properly connected to a power source and the switch must be turned on. If these conditions are met and the bulb is not burnt out, it should turn on when electricity flows through it.
Why must a laboratory thermometer be left in one place to take a reading?
A laboratory thermometer must be left in one place to take a reading because the mercury or alcohol inside the thermometer needs time to reach thermal equilibrium with the substance being measured. Moving the thermometer while taking a reading can disrupt this process and result in an inaccurate measurement.
What property must the liquid have in order for the bulb to light up?
The liquid must be a conductor of electricity in order for the bulb to light up. If the liquid does not conduct electricity, the circuit will not be completed and the bulb will not illuminate.
In getting the temperature of tap water why must the bulb of the thermometer be submerged in the water?
Because you need to measure the temperature of water, not the air.
Why must the bulb of thermometer be submerged in the water in getting the temperature of tap water?
Because you need to measure the temperature of water, not the air.
Why must the sling psychrometer be swung to obtain the wet bulb reading?
It is swung through the air to speed up evaporation of water from the wet bulb thermometer.
Why must sling psychrometer be swung in order to obtain the wet bulb reading?
It is cooling by evaporation
What do you need to make a wet bulb theremometer?
A wet bulb thermometer, simply has the sensitive bulb, dampened with water.A small muslin bag with wick attached, is placed over the bulb. The wick is placed in a small container of water, which must be periodically topped up.The water around the bulb evaporates, giving a cooling effect. As the water evaporates, more is drawn via the wick from the reservoir.The amount of evaporation, will depend on the water saturation already in the atmosphere. By comparing the temperature with a normal thermometer and reading the results in a table, the dew point can be found.
Why must the bulb of the thermometer be opposite the sidearm?
The bulb of the thermometer must be opposite the sidearm to ensure accurate temperature readings. This design allows the liquid inside the thermometer to expand and contract freely in response to the temperature changes in the environment being measured, without interference from the sidearm. By positioning the bulb away from the sidearm, it prevents heat loss or gain from the surrounding environment, thus providing a more precise measurement.
What will the mercury thermometer show when it is kept in ice?
The question must be asked carefully. If the thermometer is in water ice and there is no liquid water, and there is one atmosphere of pressure, the thermometer can read anything from the freezing point of water and lower, depending on the range of the thermometer. If the thermometer is in a stable mix of water and ice, it will read the freezing point of water.
Why is the entire mercury bulb of the thermometer must be below the level of the side arm in order to obtain an accurate reading of the distillation?
The boiling point of the distillate is normally the temperature of the vapour. If the bulb of the thermometer is placed too high, above the sidearm leading to the condeser, the entire bulb will not be heated up by the vapour of the distillate, and the temperature will be too low. however, if the bulb of the thermometer is placed too low, too near to the surface of the boiling water, the thermometer will show a too-high reading.Thus, the bulb of the thermometer should be placed at the sidearm or just below the sidearm in order to obtain an accurate reading of the distillation. Source: http://books.Google.com.sg/books?id=qHoWToUx1uYC&pg=PA86&lpg=PA86&dq=why+is+the+bulb+of+the+thermometer+placed+at+the+sidearm&source=bl&ots=JBLp_O9h3d&sig=cY86Ubsrci1WpGedNfoU9x8GovE&hl=en&ei=1yRPSoO1JISIsgP02K2XBw&sa=X&oi=book_result&ct=result&resnum=1
Do reptiles hatch their eggs under water?
No. Reptiles must lay their eggs on land. If a reptile egg is submerged in water the embryo will drown.
Parts of a liquid-in-glass thermometer?
AnswerThere are a number of different types of thermometers, but all have two basic elements. First, they must have a temperature sensor (mercury, dissimilar metals, etc.) capable of detecting a change of temperature. Second, they must have a means (such as a scale) of measuring the degree of change.AnswerAlso there's a bulb isn't there? So there are: bulb, scale, colored alcohol (or w.e).
Why does the clinical thermometer have a constriction?
Quote: When the temperature falls, the column of mercury breaks at the constriction and cannot return to the bulb, thus remaining stationary in the tube. After reading the value, the thermometer must be reset by repeatedly swinging it sharply to shake the mercury back through the constriction. Unquote.
In order to be calibrated a stem thermometer must have what?
To be calibrated, a stem thermometer must have a clear and accurate scale, typically marked in degrees Celsius or Fahrenheit. It should also be immersed in a known temperature source, such as ice water or boiling water, to ensure it reads accurately at those reference points. Additionally, the thermometer must be checked for proper functionality and any deviations should be adjusted or noted. Regular calibration is essential for maintaining precise temperature measurements.
