What is heat loss by radiation? Radiation is a form of heat loss through infrared rays. This involves the transfer of heat from one object to another, with no physical contact involved. For example, the sun transfers heat to the earth through radiation. The last process of heat loss is evaporation. How can a patient […]
What is the relationship between angular speed frequency and period?
What is the relationship between angular speed frequency and period? Period, , is defined as the amount of time it takes to go around once – the time to cover an angle of radians. Frequency, , is defined as the rate of rotation, or the number of rotations in some unit of time. Angular frequency, […]
What are the disadvantages of using a pinhole camera?
What are the disadvantages of using a pinhole camera? The image formed does not give any details. Usually, it is faint. Image is obtained on the screen and no permanent record of the image can be obtained. Pinhole camera cannot be used for studying moving objects. What are the major differences between a pinhole camera […]
What are the pros and cons of being a ultrasound technician?
What are the pros and cons of being a ultrasound technician? An ultrasound technician uses sonography equipment to diagnose medical conditions. Being an ultrasound technician is very fulfilling, and this profession has many benefits that include job satisfaction and a good salary. Like all jobs, however, there are downsides, such as physical stress and pressure. […]
Which metals are poor conductor of heat?
Which metals are poor conductor of heat? Metals like mercury, lead, alloys of iron and chromium, titanium and stainless steel are poor conductors when compared to silver, copper and gold. Is fluorine a conductor of heat and electricity? So, does Fluorine conduct electricity? Fluorine, like other non-metals (except graphite and silicon) does not conduct electricity. […]
Which principle is used in rocket?
Which principle is used in rocket? The propulsion of all rockets, jet engines, deflating balloons, and even squids and octopuses is explained by the same physical principle—Newton’s third law of motion. Matter is forcefully ejected from a system, producing an equal and opposite reaction on what remains. Another common example is the recoil of a […]
What is one action a person can take to help ensure ability to participate in physical activity throughout life Apply sunscreen at steadily exercise regularly use tobacco?
What is one action a person can take to help ensure ability to participate in physical activity throughout life Apply sunscreen at steadily exercise regularly use tobacco? In this context, one action that helps ensure you can participate in physical activity throughout life is exercise regularly because in this way you can develop basic abilities […]
How do you get hide in Family Island?
What is the smallest unit of the universe?
What is the smallest unit of the universe? The smallest possible size for anything in the universe is the Planck Length, which is 1.6 x10-35 m across. What is the farthest from Earth? Real-time distance and velocity data is provided by NASA and JPL. At a distance of 152.6 AU (22.8 billion km; 14.2 billion […]
What is a trefoil symbol?
What is a trefoil symbol? A trefoil (from the Latin trifolium, “three-leaved plant”) is a graphic form composed of the outline of three overlapping rings, used in architecture and Christian symbolism, among other areas. The term is also applied to other symbols with a threefold shape. A similar shape with four rings is called a […]