What happens to a wave when it reaches a barrier? Diffraction: A wave encountering a small obstacle tends to bend around the obstacle. This bending of the wavefront is called diffraction. When a wave encounters a barrier with an aperture, which is much smaller than the wavelength, the wave bends and spreads out as a […]
What would happen if the grasshopper population increased?
What would happen if the grasshopper population increased? Answer. ➡️If the grasshopper population increased there would no food crops as they will be destroyed due to grasshoppers. ➡️Most of our greenery will be destroyed. ➡️When all of the foods finish the grasshoppers will prey on brown land. How would a significant decrease in the grasshopper […]
How can I check my oxygen level at home iPhone?
What are the two types of mixture and substance?
What are the two types of mixture and substance? A mixture is made when two or more substances are combined, but they are not combined chemically. There are two main categories of mixtures: homogeneous mixtures and heterogeneous mixtures. Is oil and water a heterogeneous mixture? By definition, a pure substance or a homogeneous mixture consists […]
What is the critical approach to technology?
What is the critical approach to technology? Drawing inspiration from Marx’s approach, critical theory of technology argues that technology is both rational and biased. The design, development and eventual implementation of a technology are seen as normative processes through which interests and values are delegated to technological devices and systems. Does technology determine society? Technological […]
Why would a researcher interested in making a casual claim not do an experiment?
Why would a researcher interested in making a casual claim not do an experiment? Why would a researcher interested in making a causal claim NOT do an experiment? There may be ethical limitations of manipulating a variable. Why is the statistical validity of a multiple regression design more complicated to interrogate than a bivariate design? […]
Is it a look or take Alook?
Is it a look or take Alook? The difference between “have a look” and “take a look” is geographical rather than semantic. The former phrase is usually used in the UK, whereas the latter is usually used in the USA. Is have a look formal? Both of the sentences that you suggested are grammatically correct, […]
How do you know if a sample is representative?
How do you know if a sample is representative? A representative sample should be an unbiased reflection of what the population is like. There are many ways to evaluate representativeness—gender, age, socioeconomic status, profession, education, chronic illness, even personality or pet ownership. What percentage of sample is representative? For example, in a population of 1,000 […]