Year: 2018

What do electrons and neutrons have in common? Protons have an electrical charge, but neutrons have no charge. What do an electron and a neutron have in common? Each particle exists inside an atom. Its location is in the nucleus, because the particle is a proton or a neutron. What do protons do? Proton, stable […]

Why does the speedometer of a car read instantaneous speed? The speedometer of a car read the instantaneous speed not the average speed. We know that average speed is the ratio of total distance to the total time.It changes during when the car is moving . What does the speedometer of the car measure? Speedometer, […]

What is tertiary motion? Tertiary motion is sequence motion. It is determined by the specific use oi one or several ofthese transition devices: the cut, the jump cut, the dissolve, the wipe, the fade, and special transitional effects. The cut is an instantaneous change from one image to another. What are the primary motions? For […]

Should you lean forward while skiing? You only need to lean forwards enough to put your centre of gravity over the middle of the ski. The reason that this has become a myth is that one of the most common mistakes made by people learning to ski, is that they lean back, and that instructors […]

What does the 2 stand for in li2o? The ionic formula for Lithium Oxide is Li2O . This makes oxygen a O−2 anion. Ionic bonds form when the charges between the metal cation and non-metal anion are equal and opposite. This means that two Li+2 cations will balance with one O−2 anions. What is the […]

How do humans use radiant energy? Heat created by the body can be radiant energy. A surface heated by the sun converts the energy of the light into infrared energy which is a form of radiant energy. Cell phones utilize radiant energy to function. Magnetic motor generators that utilize neodymium magnets create radiant energy. What […]

When the economy is at full employment the unemployment rate is zero? Full employment does not mean zero unemployment, it means cyclical unemployment rate is zero. At this rate, job seekers are equal to job openings. This is also called the natural rate of unemployment (Un) where real GDP is at its potential GDP. When […]

What is the direction of magnetic lines of force in a bar magnet? (a) The direction of magnetic field lines outside a bar-magnet is from North seeking pole to south seeking pole while inside the magnet it is from south to north seeking pole. Is swallowing a small magnet harmful? Swallowing a single magnet is […]

What is a black body topper? An ideal body which is a perfect absorber and perfect emitter of radiation is called a black body. When such a body is heated it becomes red hot . What is black body Toppr? a black body looks black because it absorbs light of all colors. so when it […]

What is the oxidation number for CO in LiCoO2? +3 Which region of the periodic table shown here contains elements that are easiest to oxidize? b) Region D contains the least readily oxidized elements. Those elements lack one or two electrons to reach the electronic configuration of noble gases, so they want to accept new […]