An object is placed 25 cm in front of a lens of focal length 20 cm. 60 cm past the first lens is a second lens of focal length 25 cm. What is the resulting magnification of the object in this setup? a. -1.6 b. +8.0 c. -8.0 d. +1.4 e. -1.2
Q: An object placed 10 cm to the left of a +20 cm focal length lens produces a virtual image 20 cm to…
A: Recall for lense m=magnification=v/u
Q: 3. A convex (converging) lens has a focal length of 15.0 cm. Where on the lens axis should an object…
A:
Q: A person's near point is 55 cm. What is the minimum power lens that would enable the person to see…
A:
Q: An object is 1.40-cm-tall. It is placed a distance of 19.2 cm in front of a thin converging lens…
A: Lens Formula The focal length of a lens f, the object distance u and the image distance v for any…
Q: In an optical imaging system, which of following two planes are conjugate planes with magnification…
A: The principal planes are the planes in which the object produces its image of the same size. The…
Q: 3. A simple single-lens camera (convex lens) is used to photograph a man 1.6 m tall who is standing…
A:
Q: The focal length of a diverging lens is negative. If f = −25 cm for a particular diverging lens,…
A:
Q: A 1.50 cm tall object is 22 cm to the legt of a lens with a focal length of 11 cm. A second lens…
A: Given: The height of the object is 1.5 cm The position of the object is 22 cm Focal length is 11 cm…
Q: Two lenses, the first with focal length 10.0 cm and the second with focal length -12.5 cm, are…
A:
Q: A girl with hyperopia has an abnormal near point of 60.0 cm. Assuming that the normal near point for…
A:
Q: Your task in physics lab is to make a microscope from two lenses. One lens has a focal length of 10…
A: Given:fo=3.0 cmfe=10.0 cmL =16 cm
Q: A double-concave lens has a left-side surface radius of curvature magnitude of 20.0 cm and a…
A: Given a double concave lens with R1=-20.0cmR2=85.0cmrefractive index n=1.635 we know that the focal…
Q: A convex (converging) lens produces a real, inverted image of an object that is magnified 2.20 times…
A: Answer 32.3125 cm Solution
Q: 5) An object is 55 cm from a converging lens and a real image is formed on the other side of the…
A: Position of object u=-55cm position of image v=90cm
Q: Problem 95. What should the focal length of a magnifying lens be if it is to have a magnification of…
A: To solve this problem we use mirror formulas
Q: čônverĝing lens (f1 = cm) is located 32.7 cm to the left of a diverging lens (f2 ed 33.9 cm to the…
A: For converging lens using lens formula we can write 1/f1 = 1/p1 + 1/q1 1/q1 = 1/11.4 - 1/33.9…
Q: QUESTION 5 A teenage with hyperopia has an abnormal near point of 1.0 m. What power of corrective…
A:
Q: 13. A student builds the following setup (see figure below) to measure the focal length of the lens…
A: A student build a setup to measure the focal length of the lens C
Q: A teenage with hyperopia has an abnormal near point of 1.0 m. What power of corrective lens is…
A:
Q: 142. The length of the compound microscope is 14 cm. The magnifying power for relaxed eye is 25. If…
A:
Q: 3. A convex lens has a focal length of 15.0 cm. Where on the lens axis should an object be placed in…
A:
Q: A thin positive lens is used to enlarge the image of a slide on a wall 10 m from the lens. If the…
A: Concept used: Magnification of a lens is given by ratio of distance of image from lens to distance…
Q: A convex lens is held over a piece of paper outdoors on a sunny day. When the paper is held 22 cm…
A:
Q: QUESTION 10 To view an insect, an entomologist places a converging lens with a focal length of 10 cm…
A:
Q: . A student uses a microscope to view an amoeba. If the objective has a focal length of 1.0 cm, the…
A:
Q: A person's near point is 55 cm. What is the minimum power lens that would enable the person to see…
A: Distance of object u = -25 cm = -0.25 m Distance of image v = -50 cm = -0.5 m Power of lens P = ?…
Q: What is the amount of magnification of a refracting telescope whose objective lens has a focal…
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- 7. An object is at a distance of 12 cm from a positive lens (f = 9 cm) and at a distance of 21 cm behind it lies a thin negative lens (f = 18 cm). Determine the location of the image created by this lens system and its nature.To view an insect, an entomologist places a converging lens with a focal length of 10 cm a distance of 8.0 cm from the insect. What will be the magnification of the insect's image? O a. +4 b. +3 O c. +6 d. +7 O e. +54. A convex (converging) lens produces a real, inverted image of an object that is magnified 2.20 times when the object is 37.0 cm from the lens. What is the focal length of the lens? cm
- 13. A lens has a focal length of -10 cm. If the image of an object is located at -20 cm, what is the distance of the object?A boy with myopia has an abnormal far point of 80.0 cm. What power of corrective lens is needed to accurately adjust his vision? Neglect the distance between the eye and the corrective lens. a. -2.00 D b. -1.25 D C. -1.75 D d. -1.50 D e. -2.25 D10.
- A microscope has a 12.0x eyepiece and a 59.0x objective lens 20.0 cm apart. What is the focal length in centimeter of the eyepiece? A. 1.26. B. 2.08. C. 2.45. D. 3.19. E. 3.576. A convex (converging) lens has a focal length of 12.5 cm. Where on the lens axis should an object be placed in order to get a vwtual, enlarged image with a magnification of 2.50?15. An object is placed at a distance xo =-1.5f in front of a convex lens of focal length f located at x = 0. An identical object is placed at a distance x'o = -2f in front of a concave lens of focal length - f located at x' = 0. Find the difference between the two image positions (x' - Xi). Draw ray diagrams.
- 3. Figure 2.2 is a photograph of an eyeball with the image of a boy in a doorway. Is the eye here acting as a lens or as a mirror? Explain. 6. A stamp collector uses a converging lens with focal length 28 cm to view a stamp 16 cm in front of the lens. (a)Where is the image located? (b) What is the magnification? Figure 2.1 Problem 2 Figure 2.2 Problem 311 A camera has a converging lens with a focal length of 56 mm. If the f-number is 2.8 what is the diameter of the lens (in mm)? a. 10 b. 31 c. 0.50 d. 20 e. 507. Two 10.0 cm focal length lenses are placed 20.0 cm away from each other. An object sits 5.00 cm to the left of the first lens. Draw its final image. 8. Two 10.0 cm focal length lenses are placed 20.0 cm away from each other. An object sits 15.00 cm to the left of the first lens. Draw its final image.