How many rest days should you have a week? Cue the ever-important rest day. It turns out, experts pretty much agree on the number of rest days people who are in good shape and exercising regularly should take: On average, you should be taking two days per week for rest and active recovery. How long […]
Is Black an absence of light?
Is Black an absence of light? All other colors are reflections of light, except black. Black is the absence of light. Some consider white to be a color, because white light comprises all hues on the visible light spectrum. And many do consider black to be a color, because you combine other pigments to create […]
What is water cycle in short?
Why do wires get hot resistance?
Why do wires get hot resistance? Heating a metal conductor makes it more difficult for electricity to flow through it. These collisions cause resistance and generate heat. Heating the metal conductor causes atoms to vibrate more, which in turn makes it more difficult for the electrons to flow, increasing resistance. What causes low resistance in […]
What do you mean by renal pelvis?
What do you mean by renal pelvis? Listen to pronunciation. (REE-nul PEL-vus) The area at the center of the kidney. Urine collects here and is funneled into the ureter, the tube that connects the kidney to the bladder. What is the main function of the renal pelvis? The kidney pelvis acts like a funnel, collecting […]
What are profiling techniques?
What are profiling techniques? Offender profiling (also known as psychological profiling) refers to a set of investigative techniques used by the police to try to identify perpetrators of serious crime. It involves working out the characteristics of an offender by examining the characteristics of the crime scene and the crime itself. What are profiling tools? […]
Are real images inverted or upright?
Are real images inverted or upright? Yes Real images are ALWAYS inverted and Virtual images are ALWAYS upright. hope this helps. this is not always the case. If object distance is less than the focal length, then image distance becomes negative. What image is always formed by a concave mirror? Plane mirrors and convex mirrors […]
How do you calculate GPE?
What happens to the direction of the magnetic field about an electric current when the direction of the current is reverse?
What happens to the direction of the magnetic field about an electric current when the direction of the current is reverse? What happens to the direction of the magnetic field about an electric current when the direction of the current is reversed? The magnetic field reverses direction at every point. A clockwise pattern of concentric […]