What household items use radio waves? In the living room / office: cordless telephones (DECTs): this is the most common type of cordless telephone in our houses. They use the 1900 MHz frequency band. Wi-Fi boxes: Wi-Fi is used in the home to connect various household devices (computers, TV…) to each other or to the […]
What happens when you accidentally touch a hot object?
What happens when you accidentally touch a hot object? When a person accidentally touches a hot object, they automatically jerk their hand away without thinking. A reflex does not require any thought input. The path taken by the nerve impulses in a reflex is called a reflex arc. Reflex arc: The path taken by the […]
What attributes did all the stable orbits have in common?
What attributes did all the stable orbits have in common? A stable orbit is an orbit that repeats indefinitely, without ever changing shape. After running several simulations with differing parameters, what attributes did all the stable orbits have in common? answer: All of the orbits were in the shape of an ellipse, with the orbited […]
What happens when the two cans are moved closer together what happens when they are separated?
What happens when the two cans are moved closer together what happens when they are separated? When the cans are separated, they each have an excess of opposite charge. But when they are brought back together again with the balloon no longer nearby, there is an attraction between this excess of charge. This causes another […]
What is a disadvantage of electron microscopes?
What is a disadvantage of electron microscopes? Electron Microscope Disadvantages The main disadvantages are cost, size, maintenance, researcher training and image artifacts resulting from specimen preparation. This type of microscope is a large, cumbersome, expensive piece of equipment, extremely sensitive to vibration and external magnetic fields. What are the advantages and disadvantages of light microscopes? […]
How does a half moon look?
How does a half moon look? There’s no half-moon phase, at least not in any official way. Invariably, when referring to a half moon, observers are looking at a quarter moon. You see a moon that looks half-illuminated, like half a pie. Full moon signifies that the full visible surface of the moon – its […]
Why is there no chain reaction with u 238?
Why is there no chain reaction with u 238? However, it is fissionable by fast neutrons, and is fertile, meaning it can be transmuted to fissile plutonium-239. U cannot support a chain reaction because inelastic scattering reduces neutron energy below the range where fast fission of one or more next-generation nuclei is probable. Why U […]
What is the most common grammar mistake?
What is the most common grammar mistake? 10 Common Grammar Mistakes Writers Should Avoid 1 Overuse of adverbs. 2 Too many prepositional phrases. 3 Ambiguous (“Squinting”) modifiers. 4 Misuse of lie/lay. 5 Ambiguous pronoun references. 6 Comma splices. 7 Run-on sentences. 8 Wordiness (inflated sentences) Is bad grammar a sign of low intelligence? No it […]
Is milk a pure?
Is milk a pure? Complete answer: As we know that the pure substances are either elements or compounds while the mixture is a resultant product of any two or more than two substances. Therefore milk is a mixture not a pure substance. Main compounds of milk are lactose and casein. How can we check pure […]
What are the two types of integral proteins?
What are the two types of integral proteins? According to their their relationship with the bilayer, integral membrane protein can be classified two primary types: integral polytopic proteins and Integral monotopic proteins. Integral polytopic proteins are also known as “transmembrane proteins” which can span across the membrane at least once (Fig. What are the types […]