Category: Physics

Why is heat and light not considered as matter? Key Takeaways. Matter has mass and occupies volume. Heat, light, and other forms of electromagnetic energy do not have measurable mass and can’t be contained in a volume. Matter can be converted into energy, and vice versa. What are not considered as the matter? Everything that […]

Can a ray be called SR and RS? Ray SR can not be called RS because rays only go in one direction is the ray were RS it would be going the opposite direction or ray SR. What is a ray angle? A line that has one defined endpoint is called a ray and extends […]

How do electricity distribution companies make money? Tariffs for State power companies are regulated by the respective State electricity regulatory commissions. The tariffs are set such that the power company recovers all costs and also earns a specific return on sales, subject to its meeting certain performance criteria. How does the electricity market work? Energy […]

Which is the first person in the world? Adam Who is King Bharat? In the epic Mahābhārata, the ancestor of Kurus becomes Emperor Bharata, and his ruler and kingdom are called Bhārata. The Bharata clan mentioned in Mahabharata is a Kuru clan which is a sub-clan of the Puru clan….Bharata (Mahabharata) Bharata Predecessor Dushyanta Successor […]

What is meant by change of state of matter? A change of state is a physical change in a matter. They are reversible changes and do not involve any changes in the chemical makeup of the matter. Common changes of the state include melting, freezing, sublimation, deposition, condensation, and vaporization. Can Matter change its state […]

What happens when a monochromatic beam of light falls on a glass prism? When monochromatic light passes through a glass prism, the light suffers double refraction, one at refracting surface at which it is incident at and the second at the opposite the refracting surface through which it emerges out in the air. What happens […]

What is the external net force? Net external force is the sum of all of the forcing acting on an object. Friction is the force between an object in motion and the surface on which it moves. Friction is the external force that acts on objects and causes them to slow down when no other […]

What kind of graph is best for showing change over time in a set of data? Line graphs are used to display data or information that changes continuously over time. Line graphs allow us to see overall trends such as an increase or decrease in data over time. What is histogram and bar graph? The […]

How do you know if your pipes burst? No Water Coming out of the Pipes/Low Water Pressure If water is gushing out somewhere else, then you won’t have strong pressure or any water coming out of the faucet. If you are currently in the shower and notice a sudden and drastic drop in the water […]

What happens when a wave runs into a barrier? Reflection involves a change in direction of waves when they bounce off a barrier; refraction of waves involves a change in the direction of waves as they pass from one medium to another; and diffraction involves a change in direction of waves as they pass through […]