How can you tell just by looking whether an image formed by a single lens or mirror is real or virtual?
Q: A converging lens and a converging mirror have the same focal length in air. Which one has a longer…
A: Reflection is independent of refractive index and hence there will be no change in the focal length…
Q: A fish is in an aquarium and looking at people. Will the people appear farther or nearer than the…
A: The relation between the real depth and the apparent depth is given by n = real depthApparent depth…
Q: When viewing through a compound microscope, our eyes should be positioned not on the eyepiece but a…
A: If our eye cannot collect much reflected light due to improper positioning of eye piece. It may be…
Q: Astigmatism is due to light rays O a. passing through the lens in the vertical direction not…
A: Introduction: Astigmatism is an eye defect in which the front surface of the eye inside the eye is…
Q: A concave spherical mirror of 20 cm radius is to be used to project an image of a candle onto a wall…
A: Since you have posted multiple questions, we will provide the solution only for the first question…
Q: Give the position of the screen (xS) that shows the focused image, for these numbers:
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Q: How do you focus an image that has been distorted by the camera obscura?
A: Introduction: An old optical tool is the Camera Obscura. It is essentially a dark chamber with a…
Q: Concave spherical mirrors form enlarged images with respect to their object size, while convex…
A: first option is wrong as both are mirror so they only reflect the light so snells law doesn't follow…
Q: A lightbulb is 60 cm from a converging mirror with a focal length of 20 cm. Use ray tracing to…
A: Each fine line in the figure is equal to the 10cm, so that the object is placed at 60 cm and focal…
Q: An object is placed at a distance 6 cm in front of a concave mirror with f = 15 cm. What is the…
A: To calculate the magnification of an object placed in front of a concave mirror, we can use the…
Q: Which of the following is an image formed by a diverging lens? O real, inverted, diminished, and…
A: Given data: A diverging lens Required: The nature of image formed by the diverging lens
Q: Spherical mirrors (mirrors made from a section of a sphere) suffer from which of the following?…
A: Required : Spherical mirrors suffer from which aberration.
Q: How do you focus an image that has been distorted by the camera obscura?
A: Beginning: An antique optical apparatus, the Camera Obscura is still in use today. Basically, it's a…
Q: A converging thin lens has a focal length of 50 cm in air. When immersed in a liquid, its focal…
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Q: the path of light as it transitions from the glass slide to the air remains uncharged ss it travels…
A: Given statement : "The path of light as it transits from glass slide to air remains unchanged as it…
Q: If you hold a 900 cm22 square plane mirror 45 cm from your eyes and can just see the full length of…
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Q: How can you see a virtual image, when it's not "really there"?
A: There are two types of images real images and virtual images. A real image is formed when the…
Q: 3) Your object distance is 240 cm, and your focal length is 80 cm. Use the thin-lens equation to…
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Q: In a two-lens system, if the final image is inverted it MUST be real. true or false?
A: Introduction: To analyze any system with more than one lens, each lens takes an object and creates…
Q: Which of the following is an image formed by a converging lens? O virtual, erect, enlarged, and…
A: Solution: Given: Which of the following is an image formed by a converging lens: A. virtual, erect,…
Q: The place you get your hair cut has two nearly parallel mirrors 5 meters apart. As you sit in the…
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Q: A lens made out of a material with an index of refraction of 1.25 is a converging lens in air. Will…
A: Refractive index of lens, n =1.25 refractive index of water, n' = 1.33
Q: image real, inverted, diminished, and located on the same side of the lens real, inverted, enlarged,…
A: Image formed in converging lens :- (1) when object distance ≥ f real inverted diminished or…
Q: A microscope creates a virtual image that is inverted. Explain how this happens since a single lens…
A: Talking about a microscope create a virtual image that is inverted as the microscope consist of two…
Q: If a concave lens has focal length of -10 cm at a distance of 20 cm to the left of a spherical,…
A: This question can easily be solved by applying the basic concepts of a lens and lens formula .
Q: a) Based on your principal ray diagram, is the image virtual or real? Explain how you ca tell. b)…
A: Concave lenses and convex lenses are spherical lenses. A concave lens diverges the light rays…
Q: The images formed by concave lenses culd be real or virtual; it depends on whether the object…
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Q: The magnification produced by a plane mirror is +1. What does this mean?
A: We know that the (+) sign of the magnification shows that the image is virtual and erect while value…
Q: How can you tell when an image is real or virtual in a mirror by looking?
A: The inverse of the focal length of a mirror is defined as the sum of the inverse of the image…
Q: A person can see well in the distance, but cannot do so at an arm's-length distance. What type of…
A: This condition is Far-sightedness
Q: What are some real world applications of a convex lens? Why might it be useful to use a convex lens?
A: This is a question regarding convex lenses and their applications. A convex lens is a lens that is…
Q: From where you stand one night, you see the moon directly over a nearby streetlamp. You use a…
A: Solution:- This is because moon is an object at infinity while the lamp post is between infinity and…
Q: A lens with a focal length of 25 cm is placed 40 cm in front of a lens with a focal length of 5.0…
A: The image distance of the first lens can be obtained as
Q: A nearsighted man cannot see objects clearly beyond 30 cm from his eyes. How close must he stand to…
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Q: Which of the following is an image formed by a diverging lens? virtual, erect, diminished,…
A: A diverging lens diverts light away from the lens's optical centre or axis. The negative lens is…
Q: What factors determine the critical angle for total internal reflection in an optical medium?
A: Given thatthe critical angle for total internal reflection in an optical mediumTo determine that…
Q: Spherical aberration is due to light rays O a. passing through the outer portions of a lens not…
A: Spherical aberration is an optical effect which can be seen in optical devices such as lenses and…
Q: An object is located to the left of a concave lens whose focal length is -34 cm. The magnification…
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Q: A diver under water, looks obliquely at a fisherman standing on the bank of a lake. Would the…
A: The observer is inside the water and the object is outside water. So ray of light is travelling from…
Q: For a thin lens situaiton, you have detemined the image distance is negative. Which of the following…
A: the image distance is determined to be negative for a thin lens situation
Q: Suppose you are looking at your reflection in a shiny round holiday tree ornament. (a) If you are…
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How can you tell just by looking whether an image formed by a single lens or mirror is real or virtual?
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