VARIANT 19 Suppose the book page is held 10 cm from a convex lens of focal length 15 cm, such as a typical magnifying glass might have. (a) Using the thin lens equations to calculate the location of the image. (b) What magnification is produced?

Q: The magnification produced by a converging lens is found to be 2.4 for an object placed 22 cm from…

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Q: A symmetric double convex lens with a focal length of22.0 cm is to be made from glass with an index…

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Q: Complete the table below and calculate the focal length of the lens using the graph: X…

A: Lens formula is :- 1f=1v-1u Hence, from above equation it can be inferred that x and y intercept of…

Q: A transparent photographic slide is placed in front of a converginglens with a focal length of 2.44…

A: Focal length of converging lens, f = +2.44 cm.The lens forms an image of the slide 12.9 cm from the…

Q: An object of height 8.00 cmis placed 25.0 cm to the leftof a converging lens witha focal length of…

A: (a)The equation for the focal length is

Q: Complete the table below and calculate the focal length of the lens using the graph: X…

A: From graph :  X intercept : 0.1 cm-1 Y intercept : 0.1 cm-1 Mean value of 1f = 0.1 + 0.12=0.1 cm-1…

Q: It is desired to magnify reading material by a factor of 3.5× when a book is placed 8.5 cm behind a…

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Q: The near point of a person’s eye is 60.0 cm. To see objects clearly at a distance of 25.0 cm,…

A: Given:Near point of eye = 60 cm.Distance between eye lens and object = 25 cm.

Q: Example 23–16 shows how to use a converging lens tomeasure the focal length of a diverging lens. (a)…

A: (a) Measurement of the focal length is not possible for a diverging lens because diverging lens…

Q: You want to examine the hairy details of your favorite pet caterpillar, using a lens of focal length…

A: Given : Focal length (f) = 9.7 cm Near point (n) = 25 cm

Q: In a compound microscope the distance between the objective lens and the eyepiece is 22.53 cm. The…

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Q: An object is placed 10.1cm in front of a converging lens with a focal length of 15cm. Use…

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Q: The distance from the front to the back of your eye is approximately 1.90 cm. If you can see a clear…

A: Given, Object distance, u=-42.4 cm  Image distance, v=1.9 cm

Q: 12. Two lenses with focal lengths f, = +5.0 cm and f, = + 10.0 cm are located 5.0 cm apart. If an…

A: Focal length of first lens (f1) = 5 cm Focal length of second lens (f2) = 10 cm Distance between the…

Q: A thin biconvex lens made of heavy glass (n_I = 1.89) has a focal length of 15 cm. If the radius of…

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Q: The focal length of a diverging lens is negative. If f = −27 cm for a particular diverging lens,…

A: According to the Lens's formula, 1f=1v-1u.................(1) Where, f = focal length…

Q: The print in many books averages 3.76 mm in height. How high (in mm) is the image of the print on…

A: Given data The given height is h0 = 3.76 mm Distance between the lens-to-retina d = 2.00 cm d0 =…

Q: A 9.6 cm focal length converging lens is used to magnify small newspaper print 2 mm high. Calculate…

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Q: Suppose the object is held 7.50 cm from a convex lens of focal length 10.0 cm, such as a typical…

A: focal length, f = + 10cm  distance of object, do= - 7.5 cm

Q: A certain lens focuses light from an object 1.55 mm away as an image 44.3 cmcm on the other side of…

A: Given: Using sign convention: The object distance is u=-1.55 mm=-1.55×10-3 m The image distance is…

Q: 5.48* Two thin lenses having focal lengths of +15.0 cm and -15.0 cm are positioned 60.0 cm apart. A…

A: Solution:-

Q: Ah = 8.94 cm tall candle is placed a distance of p = 25.9 cm before a lens and an image forms a…

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Q: A microscope has a 14.0 X eyepiece and a 60.0 X objectivelens 20.0 cm apart. Calculate (a) the total…

A: Given: The distance among eyepiece and objective is d=20 cm. The microscope has eyepiece of Me=14…

Q: Which of the two lenses shown in Fig. 23–66 is converging, and which is diverging? Explain using ray…

A: Introduction: A converging lens is a convex lens whose center is thick and edges are thin. A…

Q: An object located 32.0 cm in front of a lens forms an image on a screen 8.00 cm behind the lens.…

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Q: A prescription for reading glasses has a power of P = 2.42 D. What is the focal length of the…

A: Given data:  Power (P) = 2.42 D Required: Focal length in cm

Q: An object is placed at an object distance half the magnitude of the focal length of a converging…

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Q: Compute the focal length of the lens which will give an erect image 10cm from the lens when the…

A: A) Image orientation = erect object distance (d) = 200 cm

Q: QUESTION 5 An object located 32.0 cm in front of a lens forms an image on a screen 8.00 cm behind…

A: Consider the given data as below. Distance of an object, v=32.0 cm Distance of an image, u=8.00 cm

Q: A converging lens has a focal length of 20.0 cm. Locate the image for object distances of (a) 40.0…

A: Basic Details The position of the image can be determined by the lens formula. The lens formula…

Q: A contact lens is made of plastic with an index of refraction 1.50. The lens has an outer radius of…

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Q: You are designing contact lenses for someone whose near point is 91cm. What focal length should you…

A: Given, Object distance, Image distance,

Q: A thin plastic lens with index of refractionn = 1.69 has radii of curvature given by R, = -11.5 cm…

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Q: A camera with a 50.0 mm focal length lens is being used to photograph a person standing 8.00 m away.…

A: Given , Focal length (f)= 50mm Object (person) distance (u)= 8m=800cm We want to find image distance…

Q: For a person with hypermetropia (far sightedness), the near point has moved to 1.6 m. Calculate the…

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Q: A spherical mirror of focal length f produces an upward image (h' 0) of size half that of an object.…

A: Given: image is upward: it means height of image h' = +ve let height of object = h also, given that…

Q: You have a lens whose focal length is -6.53 cm. You place an object on the axis of the lens at a…

A: The negative focal length of a lens indicates that it is a concave lens. Focal length ,f= -6.53 cm…