Do astronomers use reflecting or refracting telescopes? A refractor uses lenses within a tube to refract (bend) light. It’s the type of long telescope which you might imagine old-time astronomers, like Galileo, using. Reflectors, on the other hand, use mirrors instead of lenses to reflect light. Most modern observatories use reflectors because their telescopes are […]
What are some weak personality traits?
What are some weak personality traits? 11 Bad Personality Traits Costing You Business Low emotional intelligence. Chronic sarcasm. Inflexibility. Not following through. Impatience. Being a control freak. Lacking empathy. Being closed-minded. What’s a bad trait? Examples of Negative Personality Traits Being rigid and selfish, unyielding to the needs of others are not endearing qualities. Being […]
What are some examples of open and closed systems?
Why does it feel like the earth is shaking?
Why does it feel like the earth is shaking? Internal vibrations are thought to stem from the same causes as tremors. The shaking may simply be too subtle to see. Nervous system conditions such as Parkinson’s disease, multiple sclerosis (MS), and essential tremor can all cause these tremors. Sometimes, anxiety can cause or worsen the […]
What does an alpha level of .05 mean?
What does an alpha level of .05 mean? What Is the Significance Level (Alpha)? The significance level, also denoted as alpha or α, is the probability of rejecting the null hypothesis when it is true. For example, a significance level of 0.05 indicates a 5% risk of concluding that a difference exists when there is […]
What is the angle between electric field and dipole moment at an equatorial point?
What is the angle between electric field and dipole moment at an equatorial point? What is the angle between the electric dipole moment and the electric field on the equatorial line of the dipole? On equatorial line, the direction of electric field is reversed to that of angle of axial line. Therefore, the angle between […]
What is the official name of the metric system?
What is the official name of the metric system? International System of Units Who invented metric? Gabriel Mouton What does 1cm look like? 1 centimeter is equal to 0.3937 inches, or 1 inch is equal to 2.54 centimeters. In other words, 1 centimeter is less than half as big as an inch, so you need […]
Are Diamonds cleave smoothly?
Are Diamonds cleave smoothly? Even though diamond is the hardest natural material, it can chip and fracture in the course of normal wear. Diamond is formed in the cubic crystal system and has four perfect cleavage directions. A cleavage plane is the weakest direction in the molecular arrangement of the crystal. Do diamonds block radiation? […]
What is the function of non striated muscle tissue?
What is the function of non striated muscle tissue? Smooth Muscle Tissue is also known as non-striated muscle or involuntary muscles controlled by the Autonomous Nervous System. Functions of non-striated muscle: It stimulates the contractility of the digestive, urinary, reproductive systems, blood vessels, and airways. What is the main function of striated muscle? Striated muscles […]
What is the shortest wavelength of radiation?
What is the shortest wavelength of radiation? Gamma Rays What is the shortest wavelength color? violet light What colors do primary colors make? Color Basics Three Primary Colors (Ps): Red, Yellow, Blue. Three Secondary Colors (S’): Orange, Green, Violet. Six Tertiary Colors (Ts): Red-Orange, Yellow-Orange, Yellow-Green, Blue-Green, Blue-Violet, Red-Violet, which are formed by mixing a […]