How long do telescope mirrors last? about three to five years Do microscopes use mirrors? The light microscope and telescope use convex lenses and mirrors to make enlarged images of very tiny or distant objects. A camera uses a convex lens to make a reduced image of an object. Why is a mirror used in […]
How much is Newton in KG?
What does a standard blood test check?
What does a standard blood test check? Blood tests can be used for many different things, including to check cholesterol and blood glucose levels. These help monitor your risk of heart and circulatory diseases and diabetes, or how your condition is being managed. Tests for different chemicals and proteins can indicate how your liver or […]
What is the use of U shaped magnet?
What are 5 observations?
What are 5 observations? An observation is information we gather about something by using the senses. We have five senses. They include the sense of sight, hearing, taste, touch, and smell. The process of observing is very important to scientists because it helps them learn new things. What is the difference between qualitative and quantitative […]
What are the examples of reflection?
What are the examples of reflection? Common examples include the reflection of light, sound and water waves. The law of reflection says that for specular reflection the angle at which the wave is incident on the surface equals the angle at which it is reflected. Mirrors exhibit specular reflection. What’s an example of a reflection […]
What do all electromagnets have in common?
What do all electromagnets have in common? What do all electromagnetic waves have in common? They can travel at the speed of light. They have the same wavelengths. They travel only through matter. What are the 7 Colours of the spectrum? He coined the idea that there are seven colours in a spectrum: red, orange, […]
What are crinoids 2 examples?
What are crinoids 2 examples? Crinoids are echinoderms related to starfish, sea urchins, and brittle stars. Many crinoid traits are like other members of their phylum. Such traits include tube feet, radial symmetry, a water vascular system, and appendages in multiples of five (pentameral). What are the 2 types of echinoderms? The echinoderms can be […]
Which are used to transfer heavy loads?
Which are used to transfer heavy loads? The type of footing which is used to transmit heavy loads through steel columns is A. Raft foundation. Grillage foundation. Well foundation. Isolated footing. Which machine is used to lift heavy rocks? Have you ever wondered how ancient people could lift very heavy objects, such as large stones, […]
What are the main causes of floods?
What are the main causes of floods? What Causes a Flood? Heavy rainfall. Ocean waves coming on shore, such as a storm surge. Melting snow and ice, as well as ice jams. Dams or levees breaking. Is flooding caused by humans? There are natural and anthropogenic (human-induced) causes of flooding. Flooding can naturally be attributed […]