Category: Physics

How far out should a ladder be from a wall? Use the 4-to-1 rule: Make sure the ladder is 1 foot away from the wall for every 4 feet that the ladder rises. For example, if the ladder touches the wall 16 feet above the ground, the feet/base of the ladder should be 4 feet […]

What are the disadvantages of fMRI? Disadvantages fMRI is expensive compared to other techniques and can only capture a clear image if the person stays still. Poor temporal resolution because of a 5-second lag between initial neural activity and image. May not truly represent moment-to-moment brain activity. What does an fMRI show psychology? A form […]

What does the latent heat of fusion represent? The latent heat of fusion is the enthalpy change of any amount of substance when it melts. When the heat of fusion is referenced to a unit of mass, it is usually called the specific heat of fusion, while the molar heat of fusion refers to the […]

Which one of the following is not charged to the manufacturing account? Distribution expenses cover the cost of warehousing, transport, material handling e.t.c. It is a non-manufacturing cost and not part of production cost. Which account does a manufacturing company have that a service business does not have? Which account does a manufacturing company have […]

What are the causes of uneven distribution of population? Answer: Following are the main causes of uneven distribution of population in the world: Geographical causes: Topography, climate, soil, water and mineral. Social, cultural and economic causes. What effect does overpopulation have on the economy? There are some benefits of overpopulation, more people means more labor […]

Which fossil species would make the best index fossil? Trilobites serve as good index fossils, letting geologists date the age of the rocks that they are in. Which are not good index fossils? Birds, for example, would make bad index fossils, because although there are many species which have wide (indeed intercontinental) ranges, they fossilize […]

How fast should you drive through a work zone? As a general rule, posting the work zone speed 10 miles per hour below the in place limit is a good beginning point. The work zone site should be test driven by the supervisor to confirm that the speed limit is set at a reasonable value […]

What is the relationship between V1 and the retina quizlet? What is the relationship between V1 and the retina? V1 contains a map of the retina. What is one difference between simple cells and complex cells? A complex cell will respond to a dark bar on a light background and a light bar on a […]

What is the disadvantage of silicon semiconductor detector? The disadvantage is that silicon detectors are much more expensive than cloud chambers or wire chambers. Degradation. They also suffer degradation over time from radiation, however this can be greatly reduced thanks to the Lazarus effect. High FWHM. What is the major advantage of semiconductor detector over […]

Are there stages of neuropathy? This type of neuropathy (nerve injury) usually develops in stages. First one may experience intermittent pain and tingling in extremities, particularly in the feet. In later stages, the pain is more intense and constant. In the last stage, all pain sensation is lost to an area. What are the symptoms […]