Why is concave mirror used in Searchlight & head lights? When the bulb of headlight is placed at focus of concave mirror, it allows the light to spread out to infinity (longer distances) and at infinity they are approximately parallel. Hence, concave mirrors are used in the headlights of vehicles. What is the role of […]
What are objects?
What are objects? Definition: An object is a software bundle of variables and related methods. You can represent real-world objects using software objects. Everything that the software object knows (state) and can do (behavior) is expressed by the variables and methods within that object. Will a styro cup float on water? Styrofoam is insoluble in […]
Which is oldest era?
Which is oldest era? Paleozoic Era What are the four eras? The Precambrian, Paleozoic, Mesozoic, and Cenozoic Eras The Geologic Time Scale is the history of the Earth broken down into four spans of time marked by various events, such as the emergence of certain species, their evolution, and their extinction, that help distinguish one […]
What force is acting on the football players while they are standing?
How did the conflict between England and the colonies develop?
How did the conflict between England and the colonies develop? How did the conflict between England and the colonies develop? England raised money by taxing the colonists and the colonists protested because they had not agreed to new taxes. Parliament believed that they had absolute power over the colonists because they were English citizens. Why […]
What two special image are formed by concave mirror?
What two special image are formed by concave mirror? Concave mirrors can produce both real and virtual images; they can be upright (if virtual) or inverted (if real); they can be behind the mirror (if virtual) or in front of the mirror (if real); they can also be enlarged, reduced, or the same size as […]
Why does a balloon move in different directions?
What 3 parts are in a nucleotide?
What 3 parts are in a nucleotide? Nucleotides are composed of three subunit molecules: a nucleobase, a five-carbon sugar (ribose or deoxyribose), and a phosphate group consisting of one to three phosphates. The four nucleobases in DNA are guanine, adenine, cytosine and thymine; in RNA, uracil is used in place of thymine. Which of the […]
How do plants release oxygen into the air?
How do plants release oxygen into the air? Plants use photosynthesis to capture carbon dioxide and then release half of it into the atmosphere through respiration. Plants also release oxygen into the atmosphere through photosynthesis. How long does water vapor stay in the atmosphere? A drop of water may spend over 3,000 years in the […]
Which offensive line position is most important?
Which offensive line position is most important? Left Tackle What position gets the most tackles? linebackers What is the lowest paid position in NFL? long snapper position What is the easiest position in football and why? Receiver: 1 The easiest position on offense may be the receiver. He has limited responsibility and most plays may […]