Where should an object be placed in front of concave mirror so that the image is virtual and erect? The object should be placed within the focus (between the pole and the focus) and in front of the concave mirror in order to obtain a virtual, erect and magnified image. At what position should an […]
What are 5 physical contaminants?
What are 5 physical contaminants? Common examples of physical contaminants in food businesses include: hair. fingernails. bandages. jewellery. broken glass, staples. plastic wrap/packaging. dirt from unwashed fruit and vegetables. pests/pest droppings/rodent hair. How quickly can bacterial contamination occur in food? Food poisoning can happen when disease-causing bacteria or other germs, also called ‘pathogens’, spread to […]
Which theory of emotion is best?
Which theory of emotion is best? In psychology, emotion is often defined as a complex state of feeling that results in physical and psychological changes that influence thought and behavior. The James-Lange theory is one of the best-known examples of a physiological theory of emotion. What is the correct sequence of events according to the […]
What is the role of heat and pressure to metamorphism?
What is the role of heat and pressure to metamorphism? Metamorphism occurs because some minerals are stable only under certain conditions of pressure and temperature. When pressure and temperature change, chemical reactions occur to cause the minerals in the rock to change to an assemblage that is stable at the new pressure and temperature conditions. […]
How do you shoot a rubber band with paper?
What are the basic principles of social facilitation?
What are the basic principles of social facilitation? Social facilitation is the theory that we tend to do better on easy tasks when we know we are being watched or assessed. We do less well on more complex tasks when we know we are being observed by others. What are the effect of social facilitation? […]
What happens if u eat chalk?
What happens if u eat chalk? Chalk is considered non-toxic in small amounts. If large amounts are eaten, it can be irritating to the stomach and cause vomiting. Chalk can be a choking hazard for very young children. CAUTION: Eating pool or billiard chalk can be different than school and blackboard chalk because it may […]
Can Methanol be broken down by a chemical change?
Can Methanol be broken down by a chemical change? Which substance can be decomposed by a chemical change? Reason: when it said a substance, think of the matter chart. Substances can be broken down to a compounds or elements. Beryllium, Boron, and Magnesium are elements and Methanol is a compound which can be chemically change. […]
What is another term for position of an object?
What is another term for position of an object? orientation. noun. the position of an object, or the direction in which it is pointing. What is the symbol of second? s Why is it called a second? Historical origin Originally, the second was known as a “second minute”, meaning the second minute (i.e. small) division […]
Who is the father of LED bulb?
Who is the father of LED bulb? Nick Holonyak Who invented the first LED light? Shuji Nakamura What purpose do LED lights serve? LED stands for light emitting diode. LED lighting products produce light up to 90% more efficiently than incandescent light bulbs. How do they work? An electrical current passes through a microchip, which […]