2. Copy into your notebooks the energy wave found in the “General Properties of Light' section. Label the wave so that you remember shorter wavelengths indicate more light energy (the blue/violet portion of the visible spectrum) while longer wavelengths indicate less light energy (the red portion of the visible spectrum).
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- 1. It turns out that the sunlight is most intense at noon. Even though this is true, explain why the highest temperature of the day usually happens a few hours afternoon. 2. A microwave oven directly heats your food with light, by using invisible microwaves to heat the water in your food. For the questions below, imagine that you put your food in the middle of your plate, and then put that plate in the microwave. a) If you heat your food for a short period of time, only the part of your plate directly underneath your food will heat up, with the rest of the plate staying cool. Explain why this happens. b) If you microwave your food for a longer time, the whole plate will heat up. Explain why this happens. 3. For each of the situations below: • List which of the three methods of heat transfer are happening in that situation. Some situations will use more than one way of transferring heat. Which of the methods do you guess transfers the most heat in that situation? • For each…Choose correct statement from below options. a. Temperature' and 'speed' are fundamental quantities. Ob. Luminous intensity' and 'Mass' are fundamental quantities. Velocity and Time' are derived quantities. d. Mass' and 'Length' are derived quantities.UESTION 2 Human eyes are best equiped to see light which is in the yellow-green part of the spectrum because the surface of the sun is about 5000K If the surface of me sunwer O UV O Blue O Infrared O Red QUESTION 3 Match the word with the example Conduction A. Sea breezes Convection B. Global warming Radiation C. Touching a hot pot on the stove v Greenhouse effect D. Heat from a fireplace Click Save and Submit to save and submit. Click Save All Answers to save all answers. O Type here to search Optix MPGE7CO
- The electromagnetic spectrum contains more than just the visible light you see. 1. Explain where infrared and ultraviolet light fall on the spectrum, according to their frequencies. 2. Name one other form of energy that is in the electromagnetic spectrum.Since bartleby accepts 3 sub questions: hoping the formula used can be shown as well a. What is the frequency of a 2,120m wave? b. What is the wavelength of a 2.99Hz wave? c. What is the frequency of a wave carrying 8.25e-18 J energy?Different kinds of light have different wavelengths and frequencies. Use the chart above to answer the following questions.1. The wave at the bottom is a guide that can help you complete the chart. a) Where does the wave have the biggest wavelength? Where does it have its lowest wavelength? b) Rank the following types of light from lowest wavelength to highest wavelength: infrared, green light, x-rays, radio waves. c) Where does the wave at the bottom have the largest frequency? Where does it have the smallest frequency? d) Rank the following types of light from smallest frequency to largest frequency: infrared, green light, x-rays, radio waves.
- The wavelengths of visible light range from approximately 400 nanometers to 750 nanometers.a. Convert the 750nm to meters.b. Convert the 400nm to meters.c. Calculate the frequency of red light.d. Calculate the frequency of violet light.1 What is necessary to produce a magnetic field? How is the Earth able to generate a magnetic field? 2 List/draw the electro-magnetic spectrum. Which type of radiation has the smallest wavelength? Which has the largest?2. Lance is researching what effect light brightness has on how many leaves a specific plant develops. He reads that there is a strong positive correlation between the two values. Based on this, which of the following statements is true? Plants exposed to dimmer lights will form more leaves. There isn't a relationship between brightness and number of leaves. Plants exposed to brighter lights will form more leaves. Plants exposed to brighter lights will form fewer leaves. 3. McKenna is performing an experiment. She is testing the relationship between the temperature of water, and how long it takes for rust to form on iron plates. If she finds that higher temperatures lead to lower times for rusting, what is the qualitative relationship? negative correlation no correlation positive correlation inverse square correlation 4. Salim has just performed an experiment on the relationship between the time spent…
- 2. Using the graph on the right, mark onto the graph the following: 20 a. Times when the heater comes on? b. times when the heating goes off? c. Use this information to explain why the room temperature does not stay at 20oC? time (hours) 3. Sketch a new graph to show how body temperature changes over time. How do you think the graph on the right is simi lar and different to changes in body temperature? room temperature ("C)Since bartleby accepts 3 sub questions: hoping the formula used can be shown as well a. What is the frequency of a 2,600cm wave? b. What is the wavelength of a 4.24e15 c/s wave? c. What is the frequency of a wave carrying 8.25e-18 J energy?What is color subtraction? When do we use it? What color do you get when you mix blue paint with yellow paint? Explain.