Related Questions to study. 24 hour clock is used in the airline ticketing When are approximations necessary in daily life why is pendulam not used for time? Learn with Videos. Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on Reddit (Opens in new window), Click to share on Telegram (Opens in new window), Click to share on WhatsApp (Opens in new window), Click to email this to a friend (Opens in new window), Click to share on LinkedIn (Opens in new window), Click to share on Tumblr (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on Pocket (Opens in new window), Click to share on Skype (Opens in new window), Differences between boiling and evaporation, Case Study 2: Energy Conversion for A Bouncing Ball, Case Study 1: Energy Conversion for An Oscillating Ideal Pendulum. They are accurate and sensitive, having a narrow place where the mercury level rises very fast. Coronaviruses cause a variety of diseases in animals ranging from cows, pigs to chicken, and other birds. A clinical thermometer has a kink or a constriction in … A labeled diagram shows an image of the device and all parts including he tube and bulb are labeled. Digital thermometers became widespread in the late 20th century. Sorry, your blog cannot share posts by email. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. From Simple English Wikipedia, the free encyclopedia,, Creative Commons Attribution/Share-Alike License. It has a slight bend or kink in the stem just above the bulb. not a good information i need more information, this will be great reading material for my class! You may need to download version 2.0 now from the Chrome Web Store. Another way to prevent getting this page in the future is to use Privacy Pass. 3 mins read. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. Made with | 2010 - 2020 | Mini Physics |. In the 20th century, the traditional clinical thermometer was a mercury-in-glass thermometer.People put the end of this in their mouth (oral temperature), under their arm, or in their rectum (rectal temperature).It is only possible to find oral temperatures on patients who can hold the thermometer … The liquid is contained in a thin-walled glass bulb. • The range is limited by the freezing and boiling points of liquid. Quick summary with Stories. A kink in the tube stops the mercury level from falling on it own. If you spot any errors or want to suggest improvements, please contact us. Mercury expands quite uniformly over a good range of temperatures. For centuries medical thermometers were large, and took many minutes to register a temperature. This page was last changed on 24 October 2020, at 12:25. Post was not sent - check your email addresses! Performance & security by Cloudflare, Please complete the security check to access. These thermometers are used in clinics by doctors, it is a clinical thermometers they are also called a doctor's thermometers or medical thermometers. In colder countries, most of its liquid-in-glass thermometers use alcohol and not mercury. The bulb is made relatively larger than its bore to contain more of the liquid, so as to improve sensitivity. • Medical thermometers are cleaned before and after each use, with alcohol. Small expansion of the liquid in the liquid bulb will cause a big change in the length of the liquid thread in the capillary tube as it is made narrow. Factors that increase range would at the same time reduce its sensitivity. The narrow bore of the capillary tube is uniform. An ear thermometer was invented in the 1960s, which works quickly and easily. Notify me of follow-up comments by email. They are accurate and sensitive, having a narrow place where the mercury level rises very fast. The round glass stem around the capillary tube is made thick. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. In the 1860s smaller, better ones were made, and thus thermometers were more often used. The club-like spikes projecting out from their surface gave them the name. Coronaviruses possess an unusual large RNA genome as well as a unique replication strategy. Home O Level Thermal Physics Laboratory thermometer. A clinical thermometer consists of a long narrow glass tube.