Is the Carnot cycle 100% efficient? No,, never . It can be 100℅ only if the sink temperature is zero or the source temperature is infinite (very large value). Carnot is an ideal cycle is provides benchmark to compare efficiency of other cycles. Carnot efficiency is the maximum efficiency that can be achieved in a […]
What is the importance of isotopes in our daily life?
What is the importance of isotopes in our daily life? Radioactive isotopes have many useful applications. In medicine, for example, cobalt-60 is extensively employed as a radiation source to arrest the development of cancer. Other radioactive isotopes are used as tracers for diagnostic purposes as well as in research on metabolic processes. What means 2he? […]
Can an explosion trigger an earthquake?
Can an explosion trigger an earthquake? A nuclear explosion can cause an earthquake and even an aftershock sequence. However, earthquakes induced by explosions have been much smaller than the explosion, and the aftershock sequence produces fewer and smaller aftershocks than a similar size earthquake. Not all explosions have caused earthquakes. Can a nuke cause a […]
What two things started Earth?
What two things started Earth? When the solar system settled into its current layout about 4.5 billion years ago, Earth formed when gravity pulled swirling gas and dust in to become the third planet from the Sun. Like its fellow terrestrial planets, Earth has a central core, a rocky mantle and a solid crust. Why […]
Does animal extinction affect humans?
Does animal extinction affect humans? Scientists have also discovered links between the incidence of West Nile virus and hantavirus and local reductions in biodiversity. Animal extinctions may also rob humans of valuable medical advancements. Many different species have unique bodily processes that can offer insight into curing human disease. What are the causes and effects […]
How do you cancel out a log?
How do you write a perfect answer?
How do you write a perfect answer? Set the priority. List out the questions which you are more confident about. Write a brief, to the point answers. 10 most effective preparation tips to score more than 90% marks in board exams. Choose questions wisely. Attempt all the questions. Don’t decorate the answer sheet. Space out […]
How can I strengthen my weak muscles naturally?
How can I strengthen my weak muscles naturally? While a program of aerobic activity – brisk walking, jogging, swimming – may boost your energy level, the only way to strengthen muscles is through strength training or “resistance” exercise (in other words, weight lifting). And be prepared to work pretty hard at it. What exercise gets […]
What is the difference between model and approach?
What is the difference between model and approach? As nouns the difference between model and approach is that model is a person who serves as a subject for artwork or fashion, usually in the medium of photography but also for painting or drawing while approach is the act of drawing near; a coming or advancing […]