Category: Physics

What is the process of nitrification? Nitrification is a microbial process by which reduced nitrogen compounds (primarily ammonia) are sequentially oxidized to nitrite and nitrate. Ammonia is present in drinking water through either naturally-occurring processes or through ammonia addition during secondary disinfection to form chloramines. What are the steps of nitrification? In general, the nitrogen […]

When galaxies are moving away from us what light color do we see? Visible light is a spectrum of colors, which is clear to anyone who has looked at a rainbow. When an object moves away from us, the light is shifted to the red end of the spectrum, as its wavelengths get longer. If […]

What should a 3 year old be able to count? Most 3-year-olds can count to three and know the names of some of the numbers up to ten. Your child is also starting to recognize numbers from one to nine. He’ll be quick to point it out if he receives fewer cookies than his playmate. […]

Is Class 9 syllabus reduced? CBSE syllabus for all subjects of class 9 has been reduced for the academic session 2020-2021. Check here the deleted portion of the syllabus of all major subjects of class 9. This deleted portion will not be included in the internal assessments and the year-end exams to be conducted in […]

How does shape affect diffusion? Diffusion is like going through a net or sieve. Smaller sizes and shapes pass through more easily than large ones. What is the relationship between cell size and diffusion? The surface-to-volume ratio of a sphere is 3/r; as the cell gets bigger, its surface-to-volume ratio decreases, making diffusion less efficient. […]

How does life on earth depends on the process of photosynthesis? Most life on Earth depends on photosynthesis. The process is carried out by plants, algae, and some types of bacteria, which capture energy from sunlight to produce oxygen (O2) and chemical energy stored in glucose (a sugar). What is the important of photosynthesis? It’s […]

Is rear-wheel drive good? RWD vehicles handle much better than front-wheel drive vehicles and you will notice the difference in curves, turns, and when navigating through traffic situations. Traction won’t be as good, especially in wet or snowy road conditions. Is rear wheel drive bad in rain? As anyone who has owned one will tell […]

Do you weigh more on a full moon? You would register a slightly higher weight during the full moon, than during the new moon. The force due to gravity of the earth and the moon is the same in either case. No, because the moon is still there, the only difference is the angle to […]

What are the 6 basic elements of music? This series introduces the six key elements of music including rhythm, texture, dynamics, pitch, form, and timbre. Children will build their knowledge of basic music techniques through a set of fun activities based on each element, and they’ll grow their confidence and collaborative skills along the way. […]

What is the two properties of gravity? Property 1: The gravitational force is a long-range force, which exists between two particles, regardless of the medium that separates them. Property 2: The gravitational force is directly proportional to the product of the mass of the two bodies. This means a larger mass will yield a larger […]