Will Pangea form again? The last supercontinent, Pangea, formed around 310 million years ago, and started breaking up around 180 million years ago. It has been suggested that the next supercontinent will form in 200-250 million years, so we are currently about halfway through the scattered phase of the current supercontinent cycle. What is the […]
What would be the path of reflected light if an incident ray passes through focus?
What would be the path of reflected light if an incident ray passes through focus? An incident ray passing through the focus will be reflected parallel to the principal axis. Why the light ray retraces its path when it passes through Centre of curvature? Answer: The reason for light falling on the centre of curvature […]
What are the signs and symptoms of nystagmus?
What are the signs and symptoms of nystagmus? In addition to rapid eye movement, nystagmus symptoms include: sensitivity to light. dizziness. difficulty seeing in the dark. vision problems. holding the head in a turned or tilted position. the feeling that the world is shaking. What type of doctor treats nystagmus? Johns Hopkins neurologists have treated […]
Can any human see infrared?
Can any human see infrared? Infrared waves are a portion of the light spectrum that follows red. They have longer wavelengths than visible light, ranging from 700 nanometers to one millimeter. This renders them invisible to humans in almost all conditions. What does the red light on a security camera mean? If it’s an infrared […]
How fast can you go in a neighborhood?
Why is Common Core bad?
Why is Common Core bad? By focusing on grade-level skills that are highly academic in nature, the Common Core puts pressure on teachers at the early childhood and primary levels to teach using paper-and-pencil methods rather than using the rich exploratory experiential learning approaches that are developmentally appropriate for children from … What is the […]
Why do celebs wear sunglasses indoors?
Why do celebs wear sunglasses indoors? Being surrounded by numerous cameras all the times means bright lights and unstoppable flashes pointed at them that are bound to hurt their eyes. Hence, the trendy shades! A lot of them wear contact lenses and cannot let the flashes ruin them, hence a pair of goggles is always […]
What is the relationship between wavelength and speed?
What is the relationship between wavelength and speed? Speed = Wavelength x Wave Frequency. In this equation, wavelength is measured in meters and frequency is measured in hertz (Hz), or number of waves per second. Therefore, wave speed is given in meters per second, which is the SI unit for speed. What is the longest […]
How do you explain use?
How do you explain use? The is used to refer to specific or particular nouns; a/an is used to modify non-specific or non-particular nouns. We call the the definite article and a/an the indefinite article. For example, if I say, “Let’s read the book,” I mean a specific book. What layman means? 1 : a […]
How do printers use static electricity?
How do printers use static electricity? Photocopiers. This flow chart outlines how a photocopier works. Ink jet printers use static electricity to guide a tiny jet of ink to the correct place on the page. Laser printers work in a similar way. How does aluminum foil make static electricity? Electricity experiment for kids instructions: Cut […]