Does refraction occur in vacuum? Since the speed of light is always less than c in matter and equals c only in a vacuum, the index of refraction is always greater than or equal to one….Index of Refraction. Table 1. Index of Refraction in Various Media Medium n Water, fresh 1.333 Solids at 20ºC Diamond […]
What is the main idea of Atticus closing statement?
What is the main idea of Atticus closing statement? Atticus gives his closing statement to the jury. He lists several reasons why the jury should put race aside and find Tom Robinson not guilty, such as the lack of evidence, the irrationality of racism, and appealing to the jurors’ desire to be viewed as moral. […]
What structures organelles do plant cells have that animal cells do not have?
What structures organelles do plant cells have that animal cells do not have? Most organelles are common to both animal and plant cells. However, plant cells also have features that animal cells do not have: a cell wall, a large central vacuole, and plastids such as chloroplasts. Which is biggest animal cell? Caulerpa taxifolia is […]
How does capacitance change if distance is halved?
How does capacitance change if distance is halved? Answer: The capacitance between plates will reduce to half of the original value. Capacitance is defined as the ratio between “change in an electric charge in a system to the corresponding change in its electric potential.” Thus, capacitance will be half of the original value. Does capacitor […]
Is DISH Remote IR or RF?
Why does chlorine have 18 neutrons?
Why does chlorine have 18 neutrons? An element with 17 protons will always be chlorine. However an element’s mass numbers can vary, which means that it can have different numbers of neutrons. So although chlorine has a mass number of 35 which means it has 18 neutrons, it can also have a mass number of […]
What are the 4 types of stunts in gymnastics?
What are the 4 types of stunts in gymnastics? Types of Gymnastics Stunts Beam Stunts. A routine on the balance beam begins with a mount, which can incorporate a running flip for more advanced gymnasts. Floor Stunts. Vault Stunts. Bar Stunts. What are the group stunts? A “group stunt” will typically involve a flyer, two […]
What is the current solar cycle?
What is the current solar cycle? December 2019 marks the beginning of Solar Cycle 25, and the sun’s activity will once again ramp up until solar maximum, predicted for 2025. Image via NASA/ Solar Dynamics Observatory (SDO). They announced on December 7, 2020, their prediction that Solar Cycle 25 will be one of the strongest […]
How do HVAC systems affect the environment?
How do HVAC systems affect the environment? Air conditioning can negatively affect the environment in two major ways. It can use a refrigerant that harms the ozone layer. It uses electricity, which is often produced in environmentally harmful ways such as burning fossil fuels. What do HVAC systems control? The definition of HVAC control systems […]
What is Winnie the Pooh famous saying?
What is Winnie the Pooh famous saying? 1. “You’re braver than you believe, stronger than you seem, and smarter than you think.” 2. “Sometimes the smallest things take up the most room in your heart.” What does Christopher Robin say to pooh? You are braver than you believe How does Winnie the Pooh say goodbye? […]