Category: Physics

Which motor is used in washing machine? AC induction motors Which company is better for washing machine? Brands like Bosch/Siemens Washing Machines are quite popular for their front loading washing machines. Among the Indian brands, IFB leads the pack by giving tough competition to international brands, while Godrej and Onida Washing Machines have good models […]

What is the formation of Echo? Echoes. An echo is a sound that is repeated because the sound waves are reflected back. Sound waves can bounce off smooth, hard objects in the same way as a rubber ball bounces off the ground. Although the direction of the sound changes, the echo sounds the same as […]

Does a 4 wheel disc need a proportioning valve? A 4 wheel disc setup, the caliper sizes are supposed to dictate the proportioning the same way that a 4 wheel drum system does. NO proportioning valve is needed unless the rear calipers are too large. Do disc brakes need a proportioning valve? A Proportioning valve […]

Is Strength training good for weight loss? Research shows that resistance training, whether done via body weight, resistance bands or machines, dumbbells or free weights, not only helps us build strength, but also improves muscle size and can help counteract age-related muscle loss. More recently it’s become popular among those looking to lose weight. How […]

What can represent a decomposition reaction? A decomposition reaction occurs when one reactant breaks down into two or more products. This can be represented by the general equation: AB → A + B. Examples of decomposition reactions include the breakdown of hydrogen peroxide to water and oxygen, and the breakdown of water to hydrogen and […]

How much DNA is in a virus? Eight percent of our DNA consists of remnants of ancient viruses, and another 40 percent is made up of repetitive strings of genetic letters that is also thought to have a viral origin.” How are viruses created? Viruses may have arisen from mobile genetic elements that gained the […]

What happens to the pH of a weak acid when water is added? When water is added to a weak acid like ethanoic acid, the number of ethanoic acid molecules that dissociate increases, however, pH increases (less acidic), too. How do you calculate the pH of a dilution? How do I calculate the pH for […]

What rock layer is the youngest? Over time, the sediments pile up to form horizontal layers of sedimentary rocks. The bottom layer of rock forms first, which means it is oldest. Each layer above that is younger, and the top layer is youngest of all. What is the oldest layer of rock in the Grand […]

What is an example of shape constancy? a type of perceptual constancy in which an object is perceived as having the same shape when viewed at different angles. For example, a plate is still perceived as circular despite appearing as an oval when viewed from the side. What is shape and size constancy? Consequently, measuring […]

Can you feed a Venus fly trap dead bugs? What do Venus flytrap plants eat? The name says it all: Their main diet is flies (or other small insects). The trick is that the prey must be alive when caught. Dead flies won’t work in Venus flytrap feeding; the insect must move around inside the […]