Category: Physics

What is the basic principle of endoscopy? An endoscopy (looking inside) is a procedure used in medicine to look inside the body. The endoscopy procedure uses an endoscope to examine the interior of a hollow organ or cavity of the body. Unlike many other medical imaging techniques, endoscopes are inserted directly into the organ. How […]

What will happen if you hammer a magnet? The energy we have applied to the magnetic poles will make the magnet point in different directions, so the poles will be deformed. It is also possible to demagnetize a magnet by hitting the ends of the magnet with a hammer, which will alter the order of […]

What is the rarest and most beautiful gem? red beryl What is considered the most beautiful gemstone? Forget plain blue sapphires and white diamonds, this list represents the most beautiful minerals and stones you have ever seen. Crocoite. Rhodochrosite. Rhodochrosite. Botswana Agate. Alexandrite. Opalised Ammonite. Tourmaline On Quartz With Lepidolite And Cleavelandite Accents. Carnelian. Photo […]

Is human body a closed system? A system with no inputs is called a closed system. One with inputs is an open system. Since human being needs energy, water, minerals, etc. (as inputs), human body is an open system. Is an Organisation a closed system? A business that operates an open system interacts with its […]

How do you acknowledge a sick person? Know the perfect phrases. Two of the most perfect phrases that can be used when communicating with someone who is ill or hurting are, “I’m sorry,” and “I wish …”. Believe it or not, and as common or trite as it may seem, “I’m sorry for your loss,” […]

How do we prevent digesting our own stomach? Your stomach protects itself from being digested by its own enzymes, or burnt by the corrosive hydrochloric acid, by secreting sticky, neutralising mucus that clings to the stomach walls. If this layer becomes damaged in any way it can result in painful and unpleasant stomach ulcers. What […]

Why it is easier to open a door by pushing it near its edge? It is easier to open a door by applying the force at the free end of it because of the larger the perpendicular distance, less is the force needed to turn the body. Why cant you open a door by pushing […]

What happens if a plane goes too fast? When flown above the design speed the aerodynamic loads can exceed the design strength of the airframe leading to failure of the structure, often starting with the loss of a wing or part of the wing or tail in some cases the entire tail may tear off […]

What best describes the process of homeostasis? Homeostasis is any self-regulating process by which an organism tends to maintain stability while adjusting to conditions that are best for its survival. If homeostasis is successful, life continues; if it’s unsuccessful, it results in a disaster or death of the organism. Which characteristic of life best describes? […]

What is the best treatment for sun damaged skin? To fight the damage, try: Skin-lightening creams: Products with hydroquinone can lighten skin. Retinoids: Along with smoothing wrinkles, these compounds speed up the turnover and shedding of pigmented cells. Cryotherapy: Liquid nitrogen freezes the area so that it peels away. What is the best treatment for […]