Category: Physics

Why train Cannot be stopped suddenly? The drop in air pressure leads to the slowing down of the train. The loco pilot quickly notices this drop in the air pressure and starts maneuvering the train. As the train runs on narrow rails, so it cannot be brought to a sudden standstill, as that could lead […]

Should a 10 year old have Tik Tok? What age is TikTok recommended for? Common Sense recommends the app for age 15+ mainly due to the privacy issues and mature content. TikTok requires that users be at least 13 years old to use the full TikTok experience, although there is a way for younger kids […]

Which is an example of a wheel and axle? Some examples of the wheel and axle include a door knob, a screwdriver, an egg beater, a water wheel, the steering wheel of an automobile, and the crank used to raise a bucket of water from a well. When the wheel in a wheel and axle […]

Does extracting oil affect the earth? Drilling for oil, both on land and at sea, is disruptive to the environment and can destroy natural habitats. Additionally, pipes to gather oil, roads and stations, and other accessory structures necessary for extracting oil compromise even larger portions of habitats. Why can’t they stop producing oil? Today, petroleum […]

What is localized acquired resistance? In tobacco plants reacting hypersensitively to pathogen infection, localized acquired resistance (LAR) is induced in a sharp zone surrounding hypersensitive response (HR) lesions. How does induced systemic resistance work? Induced Systemic Resistance (ISR) is a resistance mechanism in plants that is activated by infection. Its mode of action does not […]

Why are there 2 symbols for a bulb? There are two circuit symbols for a lamp, one for a lamp used to provide illumination and another for a lamp used as an indicator. Small lamps such as torch bulbs can be used for both purposes so either circuit symbol may used in simple educational circuits. […]

What is the relation between intensity and width of slits? When the widths of the slits are greater than the wavelength of the light, the light casts the shadow. When the widths of the slits are narrow, light undergoes diffraction and the light waves overlap on the screen. Hence, the intensity of the light is […]

Is As2O5 acidic or basic? As2O5 is dissolved in water to form arsenic acid, H3AsO4 – then As2O5 is more acidic,then As2O3 is more basic. Answer: As2O3 is more basic. Is bi2o3 acidic or basic? Bismuth oxide is considered a basic oxide, which explains the high reactivity with CO2. However, when acidic cations such as […]

Can you burn your hands by rubbing them together? You will never burn your palms by rubbing it hard each other. The heat produced by the fiction will melt the fat in the palms. And if you still continue, the fat in the hands will be melted and it goes to other parts which is […]

Could you or can you more polite? To answer the question: “could” definitely sounds slightly more polite than “can” to a native speaker since it is less direct and more deferential as a result. “Could” is a form of “can”, so both are technically asking “are you able to…”. This is not the difference between […]