Why is a nail rusting a chemical change? A change in which one or more new substances are formed is known as chemical change. For Example, when the iron is exposed to air and moisture, rust formation takes place. Rust is nothing but Iron Oxide; a new substance formed out of the reaction. Hence, rusting […]
Which type of radiation is not affected by a magnetic field?
Which type of radiation is not affected by a magnetic field? Because they consist of charged particles, alpha and beta radiation can also be deflected by magnetic fields . Just as with electric fields, gamma radiation is not deflected by magnetic fields. Which rays are deflected in electric field? The alpha rays and beta rays […]
What statement best describes an intensive property quizlet?
What statement best describes an intensive property quizlet? Which statement describes an intensive property of matter? It is the same for every sample of a single substance. Which statement best describes a physical property? Physical properties are observed by seeing how a substance reacts with other substances. Physical properties cause atoms and molecules to change […]
How can we reduce current?
How can we reduce current? The current in a circuit is directly proportional to the electric potential difference impressed across the circuit and inversely proportional to the resistance of the circuit. Reducing the current can be done by reducing the voltage (choice A) or by increasing the resistance (choice D). 2. Why does current increase […]
Does the South Pole change?
Does the South Pole change? Indeed, our planet’s history includes numerous global magnetic reversals, where north and south magnetic poles swap places. The field can even change polarity completely, with the magnetic north and south poles switching places. This is called a reversal and last happened 780,000 years ago. Who is the first person to […]
What is the difference between steady state and steady flow?
What is the difference between steady state and steady flow? And you say, what’s the difference? Steady state addresses the time variable. Steady flow is really saying that we have steady uniform conditions at the entrances and exits. What are the types of flow process chart? Different types of flowcharts serve different purposes. Some of […]
Who is now the fastest man in the world?
Who is now the fastest man in the world? Usain Bolt How did Flo go die? The Olympic sprint champion Florence Griffith Joyner died of suffocation a month ago after suffering a seizure while she slept, medical authorities said yesterday in southern California. The seizure was caused by a congenital abnormality of blood vessels in […]
Can balance scales be wrong?
Can balance scales be wrong? Sure, the human body fluctuates over the course of the day and there are some crappy scales out there, but even relatively good scales can seem to be wildly inaccurate. But for the most accurate reading, any bathroom scale must be set up correctly and used consistently. What are the […]