Drawing Kink Drawing Clinical Thermometer
Clinical thermometer motion and measurement of distances cbse grade.
Drawing kink drawing clinical thermometer. A clinical thermometer has a glass stem with readings on the body and bulb at the end of the structure containing mercury. I a clinical thermometer reads temperature 35 c to 45 c while the range of laboratory thermometer is 10 c to 110 c. Various types of thermometers measuring temperature how they are.
Clinical thermometers are often used in various locations like houses clinics and hospitals while lab thermometers are mainly located in laboratories. Why is a laboratory thermometer not used to check body temperature. The kink is to prevent the back flow of mercury into the thermometer bulb when the thermometer is removed from the patient s mouth.
Kink is a special structure in the clinical thermometer which ensures the correct measurement of body temperature. Download cbse class 7 science heat notes set a in pdf science chapter notes class notes mind maps formulas revision notes cbse class 7 science heat 1. 34 ans this is because the clinical thermometer has a kink.
The scale of the thermometer starts from 95ᵒ f to 110ᵒ f 35ᵒ c to 43ᵒ c with normal temperature marked in red arrow at 98 4ᵒ f 37ᵒ c. As a laboratory thermometer is more complex it yields more accurate results as compared to a clinical thermometer. A medical thermometer also called clinical thermometer is used for measuring human or animal body temperature the tip of the thermometer is inserted into the mouth under the tongue oral or sub lingual temperature under the armpit axillary temperature into the rectum via the anus rectal temperature into the ear tympanic temperature or on the forehead temporal temperature.
A labeled diagram shows an image of the device and all parts including he tube and bulb are labeled. Aumsum kids science duration. Ii clinical thermometer has a kink near the bulb while there is no kink in the laboratory thermometer.
6 science duration. Pls mark as brainliest answer. Learning the important concepts is very important for every student to get better marks in examinations.
Due to kink mercury does not fall down on its own in clinical thermometer. The concepts should be clear which will help in faster learning. It prevents falling of mercury present in the capillary tube into the bulb.
35 ans transfer of heat from the hot part of a material to its colder part is called conduction.