For what angle between the two plane mirrors a light ray after reflection? angle between mirrors = 2c = 90 deg. What kind of reflection will happen if two plane mirrors are kept parallel? When two plane mirrors are kept parallel to each other infinite number of images are produced. Multiple reflection takes place that […]

How do I stop feeling insecure about my appearance? Indirectly let the air out of your insecurities by generally doing things to improve your mood, take care of yourself, and get your life together in other ways Exercise regularly. Eat a healthy diet. Get enough sleep each night. Get enough sunlight each day. Set aside […]

How did English become a global language of communication? By the late 18th century, the British Empire had spread English through its colonies and geopolitical dominance. Commerce, science and technology, diplomacy, art, and formal education all contributed to English becoming the first truly global language. English also facilitated worldwide international communication. Is it a good […]

How can I be like Mr Spock? When you “talk like Spock,” the iconic character from Star Trek, you are: Taking emotion out of the conversation. Listening carefully and analytically to what others have to say—with an open mind. Stating facts, not feelings. Realizing that conflict can spur growth. What is so special about Spock? […]

How long teeth relapse after braces? Relapse means that the teeth can take up to one year or more to stabilize after treatment. If you had gaps between your teeth before treatment, the retention period will be longer. Usually, retainers are worn for as long a time as you have had your braces. How common […]

What is the value of conductivity of metals? Conductive materials, metals and stainless steels properties table: Electric conductivity (10.E6 Siemens/m) Thermal conductivity (W/m.K) Silver 62,1 420 Copper 58,7 386 Gold 44,2 317 Aluminium 36,9 237 How is conductivity of metals measured? Use the ruler to measure the length of the wire (use SI units such […]

Can arithmetic mean and geometric mean be same? The case where all the terms are equal then their sum is nx1, so their arithmetic mean is x1; and their product is x1n, so their geometric mean is x1; therefore, the arithmetic mean and geometric mean are equal, as desired. What is the main key difference […]

Are purebred dogs really purebred? Dogs whose parents and ancestors belong to the same breed are referred to as purebred dogs. In other words, the five generations appear to belong to the same family tree and confirm a specific breed standard. Dogs with above 87.5\% of full-blood genetics are qualified as purebred. Which is better […]

What happens when magnesium is added to hydrochloric acid? Adding magnesium metal to hydrochloric acid produces hydrogen gas. The magnesium dissolves to form magnesium chloride, MgCl2. Does magnesium chloride react with hydrochloric acid? The reaction between magnesium and hydrochloric acid combine to form a salt of magnesium chloride and release hydrogen gas. This reaction is […]

Is mademoiselle Miss or Mrs? mademoiselle, abbreviation Mlle, the French equivalent of “Miss,” referring to an unmarried female. Etymologically, it means “my (young) lady” (ma demoiselle). Do French use mademoiselle? Today, you’ll still hear mademoiselle being used, though usually by older French speakers for whom the term is still traditional. It is also occasionally used […]

What is the passing score for 70 764? 700 / 1000 Microsoft Administering a SQL Database Infrastructure Exam Summary: Exam Name Microsoft Certified Solutions Associate (MCSA) – Dynamics 365 for Operations Number of Questions 40-60 Passing Score 700 / 1000 Books / Training 20764: Administering a SQL Database Infrastructure (five days) Schedule Exam Pearson VUE […]