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    why the level of mercury should change at all when the bulb of the thermometer is brought in contact with another object

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    Boojho wonders why the level of mercury should change at all when the bulb

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    . Boojho wonders why the level of mercury should change at all when the bulb

    Boojho wonders why the level of mercury should change at all when the bulb of the thermometer is brought in contact with another object.

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    The temperature of other object may not be the same as that of the bulb of the thermometer. Whenever, bulb is brought in contact with that object, the temperature of the bulb changes. So the level of mercury also changes.

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    In a mercury thermometer, the level of mercury rises when its bulb comes in contact with a hot object. What is the reason for this rise in the level of mercury? Physics Q&A

    In a mercury thermometer, the level of mercury rises when its bulb comes in contact with a hot object. What is the reason for this rise in the level of mercury? Get the answer to this question and access a vast question bank that is tailored for students.

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    In a mercury thermometer, the level of mercury rises when its bulb comes in contact with a hot object. What is the reason for this rise in the level of mercury? Physics Q&A

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    In a mercury thermometer, the level of mercury rises when its bulb comes in contact with a hot object. What is the reason for this rise in the level of mercury?

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    Mercury is an excellent thermometric liquid

    When heated, it expands evenly.

    Its specific heat capacity is poor.

    It has a high boiling point of 357 degrees Celsius and a low freezing temperature of -39 degrees Celsius.

    It is a good heat conductor.

    It does not adhere to the glass tube's walls.

    It is opaque and gleaming, making it easily visible.

    It can be purchased in its purest form.

    Mercury thermometer

    Because mercury is the only metal that is liquid at room temperature, mercury thermometers are employed in measuring.

    We also know that Mercury has a high coefficient of expansion, which means it can detect even minor temperature changes.

    Mercury has a gleaming, colorless texture that is plainly visible to the naked eye.

    Mercury does not adhere to the glass surface, which allows it to slide over and display temperature changes.

    Hence, mercury expands when heated, thus when it comes into contact with a hot object, it's level in the capillary rises.

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    SIMILAR QUESTIONS

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    Q. In a mercury thermometer, the level of mercury rises when its bulb comes in contact with a hot object. What is the reason for this rise in the level of mercury?Q.

    Question 11

    In a mercury thermometer, the level of mercury rises when its bulb comes in contact with a hot object. What is the reason for this rise in the level of mercury?

    Q. When the temperature rises, the mercury level in the thermometer ___________.Q. The mercury level rises by 12 cm when it is transferred from dry ice to steam.What will be the length of the mercury thread when the thermometer reads 140 F?

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    स्रोत : byjus.com

    Why should the level of mercury change at all when the bulb of the thermometer is brought in contact with another object?

    Answer (1 of 3): * The level in the thermometer changes when mercury expands or contracts. * Mercury expands or contracts when heated or cooled. * Touching the bulb to another object will heat or cool the mercury in the bulb if that object is at a different temperature. This process of heat tr...

    Why should the level of mercury change at all when the bulb of the thermometer is brought in contact with another object?

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    Sort Rudolph Millan

    Author has 1.6K answers and 1.7M answer views4y

    Because the mercury in the bulb changes temperature by absorbing or releasing heat. Mercury, like most substances, has a positive thermal expansion coefficient, so the mercury expands as its temperature goes up (or contracts if it’s temperature drops). Since the volume of the bulb remains (mostly) constant, the liquid mercury flows into or out of the only direction it can: the narrow path above the bulb.

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    Why is mercury used in glass thermometer?

    Why is mercury used in thermometers?

    Why does mercury used in a thermometer indicate the temperature of a body?

    Paul Montgomery

    Former military contractor calibration lab owner/operator. Author has 5.8K answers and 21.6M answer views4y

    The level in the thermometer changes when mercury expands or contracts.

    Mercury expands or contracts when heated or cooled.

    Touching the bulb to another object will heat or cool the mercury in the bulb if that object is at a different temperature. This process of heat transfer is called conduction.

    Glass is a good heat conductor, so it does not impede heat transfer.

    Now that you know the above, you can deduce why touching an object makes the mercury level change in a thermometer, but feel free to copy my answer word for word in your homework.

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    Paul Montgomery

    Former military contractor calibration lab owner/operator. Author has 5.8K answers and 21.6M answer views4y

    Related

    In a mercury thermometer, the level of the mercury rises up when it's bulb comes in contact with a hot object. What is the reason for this?

    The mercury expands as it warms.

    John Walker

    Retired science teacher. BA in Natural Sciences.Author has 1.5K answers and 2.7M answer viewsUpdated 5y

    Related

    Why is mercury used in thermometers?

    Liquid in glass thermometers are the cheapest kind of thermometer, and are also easy to use. Mercury is easily the best liquid to use, for 5 important reasons.

    1. It is very reflective, so it's easy to see and to read accurately.

    2. It doesn't wet the glass, so you don't get inaccurate readings if the temperature is falling.

    3. It is a metal, so it's a good conductor of heat. This means that it reacts quickly to changes of temperature.

    4. It expands evenly with temperature, so a linear scale can be used with quite a high degree of accuracy.

    5. There's a large range of temperature for which it is a

    Ray Menon

    Studied at Rutgers UniversityAuthor has 3.4K answers and 7.2M answer views4y

    Related

    Why is it when we place a thermometer in hot water, the mercury level drops for a while and suddenly rises initially?

    The way a mercury thermometer is designed, it has a fairly large “bulb” at the bottom, which is the reservoir used to contain ALL of the mercury that is loaded into the thermometer at the factory. The long stem of the thermometer with the markings for temperature read-out is a glass capillary (a very thin channel inside the glass tube) into which the mercury in the bulb can expand during the measurement, when the the temperature of the bulb increases .

    As soon as you stick the thermometer bulb into hot water, the glass bulb will expand. Due to this expansion, there will be a very small increase

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    William Hoffman

    Lives in Pasadena,MD (2021–present)Author has 6.2K answers and 2.7M answer views1y

    Related

    How does mercury change its size based on the temperature in a thermometer?

    Mercury expands as it gets warmer and fills an evacuated capillary tube above the bulb, a reservoir for the mercury. The uniform/even markings in the background show the rise.

    Paul Montgomery

    Former military contractor calibration lab owner/operator. Author has 5.8K answers and 21.6M answer views2y

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    Why does the mercury only go up in glass thermometers, and you have to shake them to bring it down?

    The thermometer you describe is called a clinical thermometer. It is designed to hold the highest reading so that you can read that temperature after removing it from some orifice in an animals body.

    Not all mercury in glass thermometers are like this. They are designed to read the current temperature of the bulb at the end of the thermometer.

    The feature that allows the highest temperature to held, so that you can read it later is produced by including a restriction within the capillary tube. The restriction overcomes the mercury’s surface tension and gravity. The shake to reset overcomes the f

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