What is the formula of image distance? hi = 8.81 cm The negative value for image distance indicates that the image is a virtual image located on the object’s side of the lens. How do you calculate image distance? Procedure Place the convex lens on a lens holder, placing the screen on the other side […]
Does the density of a solid change with temperature?
Does the density of a solid change with temperature? Density is a physical property of substances that compares the relationship between volume and mass. Density is affected by temperature because as temperature increases so does the kinetic energy of the particles. Can you change the density of a solid? Density is the amount of mass […]
What can I feed a fox in winter?
What is the settling of blood in the lowest parts of the body?
What is the settling of blood in the lowest parts of the body? Livor Mortis (Lividity) is the settling of blood in body due to gravity. Livor Mortis starts to develop 2-4 hours after death, becomes non-fixed or blanchable up to 8-12 hours after death and fixed or non-blanchable after 8-12 hours from the time […]
What can break solid rock?
What can break solid rock? Both the growth of plant roots and the freezing of water can break off pieces of rock from earth’s solid rock layer. The growth of plant roots can break off pieces of rock from earth’s solid rock layer, but the freezing of water cannot. Can the movement of glaciers break […]
Does dopamine or serotonin make you happy?
Does dopamine or serotonin make you happy? These hormones or neurotransmitters are involved in promoting a happy mood and positive feelings, and you might know them by different names too. For example, serotonin is also called the happiness hormone, dopamine is a feel-good hormone, and oxytocin is the cuddle hormone. What causes lack of dopamine? […]
What is the basic principle of laser action?
What is the basic principle of laser action? Principle: Due to stimulated emission the photons multiply in each step-giving rise to an intense beam of photons that are coherent and moving in the same direction. Hence the light is amplified by Stimulated Emission of the Radiation. Termed LASER. What are the applications of laser light? […]
Who invented solar system?
Who invented solar system? Nicolaus Copernicus Is Earth inside a nebula? The planet Earth is not part of any particularly named Nebula . Earth is part of the Solar System which is part of our home galaxy, the so-called “Milky Way”, which is part of the so-called Local Group , a collection of more than […]
How do plants absorb light energy?
How do plants absorb light energy? Green plants have the ability to make their own food. They do this through a process called photosynthesis, which uses a green pigment called chlorophyll. Chlorophyll’s job in a plant is to absorb light—usually sunlight. The energy absorbed from light is transferred to two kinds of energy-storing molecules. What […]
What is the minimum and maximum of two vectors?
What is the minimum and maximum of two vectors? The sum of two vectros is maximum , when both thectros are in the same direction and is minimum when they act in opposite directions. Can we compare two vectors? Comparing two vectors using operator == std::vector provides an equality comparison operator==, it can be used […]