What is the focal length of concavo-convex lens? The focal length of a concave-convex lens of radii of curvature 5 cm and 10 cm is 20 cm. Why power of convex lens is positive? Answer. The power of a convex lens is positive as a convex lens has a positive focal length, while the power […]
Which is the best example of potential energy?
Which is the best example of potential energy? Potential energy is the stored energy an object has because of its position or state. A bicycle on top of a hill, a book held over your head, and a stretched spring all have potential energy. What are two examples of kinetic and potential energy? What Are […]
Why electrical appliances are not connected in series?
Why electrical appliances are not connected in series? Answer. Electrical appliances are not connected in series because current will be same through all the appliances connected whereas appliances have different current ratings and also that voltage decreases as more no. Of appliances are connected. What happens if the household electric appliances are connected in series? […]
Who died in 2021?
Who died in 2021? Larry King, Christopher Plummer and Cecily Tyson are among the celebrities who died in 2021, leaving those in their wake heartbroken. Dustin Diamond died on February 1 at age 44 after a battle with stage IV small cell carcinoma. What famous people have died in 2021? Celebrity deaths 2021: All the […]
Is a double bond one electron group?
Is a double bond one electron group? Double or triple bonds count as a single electron group. The molecule will not be a perfect equilateral triangle because the C–O double bond is different from the two C–H bonds, but both planar and triangular describe the appropriate approximate shape of this molecule. What are the three […]
What exactly is science according to philosophers?
What exactly is science according to philosophers? Category. The philosophy of science is concerned with all the assumptions, foundations, methods, implications of science, and with the use and merit of science. This discipline sometimes overlaps metaphysics, ontology and epistemology, viz., when it explores whether scientific results comprise a study of truth. How is Aristotle relevant […]
What reduces cholesterol quickly?
What reduces cholesterol quickly? A few changes in your diet can reduce cholesterol and improve your heart health: Reduce saturated fats. Saturated fats, found primarily in red meat and full-fat dairy products, raise your total cholesterol. Eliminate trans fats. Eat foods rich in omega-3 fatty acids. Increase soluble fiber. Add whey protein. Can you live […]
How high can a helium balloon go?
How high can a helium balloon go? 9,000 meters What happens to a helium balloon in space? One is that atmospheric pressure is dramatically reduced at high altitudes, so a helium balloon expands as it rises and eventually explodes. But the elasticity of rubber decreases at very low temperatures so it is possible that helium […]
Can a load be a resistor?
Can a load be a resistor? Devices called resistors are built to provide precise amounts of resistance in electric circuits. Any device that performs some useful task with electric power is generally known as a load. Sometimes resistor symbols are used in schematic diagrams to designate a non-specific load, rather than an actual resistor. What […]
Can you see a molecule?
Can you see a molecule? This, believe it or not, is a microscope. It can help us see very small particles like molecules by feeling the particle with the tip of its needle. These very powerful microscopes are called atomic force microscopes, because they can see things by feeling the forces between atoms. … What […]