Category: Physics

What is the difference between Type 1 and Type 2 supernova? Type I supernova: star accumulates matter from a nearby neighbor until a runaway nuclear reaction ignites. Type II supernova: star runs out of nuclear fuel and collapses under its own gravity. What are the 2 types of supernovae? There are two basic types of […]

Who really was the first in flight? Wilbur Wright Is NC really first in flight? Ohio and North Carolina have long been at odds over which state gets to lay claim to being “first in flight.” Ohio, of course, is the birthplace of Wilbur and Orville Wright, and it was here where they created the […]

Is Fe2O3 al exothermic? Igniting a mixture of Fe2O3 and Al with a magnesium ribbon fuse produces molten iron and aluminum oxide in an impressive exothermic reaction. Heat produced raises the products to the melting point of iron (1530oC / 2790oF). What is thermite process where is this process used? The reaction, also called the […]

Do organic foods contain chemicals? Organic produce contains fewer pesticides. Chemicals such as synthetic fungicides, herbicides, and insecticides are widely used in conventional agriculture and residues remain on (and in) the food we eat. Organic food is often fresher because it doesn’t contain preservatives that make it last longer. Does organic mean no artificial ingredients? […]

How much do your arms weigh? On average, an arm weighs about ~5.3% of your total body weight, depending on your gender, among other factors. A leg is about 17.5%. This means for a 150lb average human being, an arm weighs ~8lb and a leg weighs ~26lb. How heavy is a human leg? ~26lb What […]

Can your phone hear your thoughts? Yes! It’s very sneaky. They know you’ll be expecting them to read your thoughts when the phone is held up to your head, so they don’t do that. Instead, they read your thoughts through your fingers. Can people hear your thoughts? No, it’s not possible for people to read […]

What type of variable is male or female? Dichotomous variables What type of variable is speed? Discrete variables are those that can take only a finite number of values. This is not so for speed of an airplane. as it changes from time to time. Hence, speed of an airplane is continuous. What type of […]

Do foreigners learn Hindi? “Language affects how you are included or excluded in a society. Lot of foreigners who come down to India for work or short assignments are keen on learning Hindi to get them through their basic daily interactions with the local population. Why do foreigners learn Hindi? Experts say communicating in a […]

What is e-governance in education? administration of higher education. Electronic Governance (e-Governance) is the use of Information and. Communication Technologies (ICT) for the planning, implementation, and monitoring of government programs, projects, and activities. E-Governance is expected to help deliver cost-effective and easy-to-access citizen. What is e-governance with example? Electronic governance or e-governance is adopted by […]

What does carbaryl kill? Carbaryl belongs to a family of chemicals that kill or control insects (insecticides) known as carbamates (3). How is carbaryl used? $ Carbaryl is used to control a wide variety of pests, including moths, beetles, cockroaches, ants, ticks, and mosquitoes (2). Does carbaryl kill flies? Answer: Garden Tech Sevin Ready to […]