Two identical thin convex lenses of focal length 8 cm each are coaxial and 4 cm apart. Find the equivalent focal length and the positions of the principal points. Also, find the position of the object for which the image is formed at infinity.

Q: Consider a set of two lenses. The first has focal length +.25 m. The second is located .80 m behind…

A:

Q: is using a with near point 44.3 cm magnifying glass of focal length 16.4cm. Sees an at 7.8cm from…

A:

Q: A convex lens forms an image of a soda can. The image is 2 cm tall and appears 8 cm from the lens.…

A:

Q: You place an object 23.04 cm in front of a diverging lens which has a focal length with a magnitude…

A:

Q: Two convergent lenses, L1 (focal length = 15.6 cm) and L2 (focal length = 10.2 cm) are placed a…

A: 2 convex lenses distance "L" apart, Focal lengths,  f1 = 15.6 cm f2 = 10.2 cm Object distance, u1 =…

Q: For safety reasons, you install a rear-window lens with a −0.305 m focal length in your van. Before…

A: (a) Thin Lens formula : 1f=1u+1v where v is image distance           u is object distance Given : f…

Q: An object is placed 12.1 cm to the left of a diverging lens of focal length -6.97 cm. A converging…

A: Given: The diverging lens focal length is f1=-6.97 cm, The distance of the object to the left of a…

Q: An 8.0 cm insect is in front of a converging lens with a focal length of 10 cm. Trace the image of…

A: Focal  length, f = 10 cm  distance of object, u = - 10 cm

Q: The owner of a van installs a rear-window lens that has a focal length of -0.320 m. When the owner…

A: Given Data: Focal length (f) = -0.320 m.Distance of the object (v) = 0.240 m.Height of the image hi…

Q: An object is placed 12.0 cm to the left of a lens. divergent with a focal length of 6.00 cm. a…

A: For diverging lens: Object distance, u = -12.0 cm Focal length, f = -6.00 cm    (sign convention)…

Q: For safety reasons, you install a rear-window lens with a -0.296 m focal length in your van. Before…

A:

Q: Two convex lenses each with f= 12 cm are separated by 70 cm. An object is placed 20 cm to the left…

A: Write the lens equation, and solve for the distance of the image formed by the first lens, that is…

Q: Consider a converging lens with focal length 27.5 cm. An object is located 44.9 cm from the lens.…

A:

Q: The Virtual Image Formed by a Diverging Lens. An object is placed 3.55 cm to the left of a diverging…

A: Given that  focal length of the diverging lens or concave lens is  f=-2.54 cm And object is placed…

Q: An object which is 1.23 cm high is placed 10.00 cm to the left of a lens. It is not known if the…

A: Given: distance of object, u = - 10 cm ( sign convention) distance of image, v = - 3.20 cm ( as…

Q: vo lenses that are 38.6 cm apart are used to form an image, as shown in the figure. Lens 1 is…

A: Lens formula  1/f = 1/v -1/u

Q: A 5.37 mm high firefly sits on the axis of, and 13.7 cm in front of, the thin lens A, whose focal…

A:

Q: Two thin lenses with focal length of magnitude 18.0 cm, the first diverging and the second…

A: Given: Focal length of both lenses, f=18 cm Separation b/w first diverging & second converging…

Q: converging lenses are separated by 26.0 cm. The focal length of each lens is 11.0 cm. An object is…

A: GivenDistance of seperation between lens=26 cmFocal length of each lens=11 cmObject is placed to…

Q: On one side of a diverging lens of focal length 36.3 cm, you position an object of height 2.79 cm…

A: Focal length of diverging lens is Height of object is Height of image is Find:Object distance.

Q: A 1.00-cm-high object is placed 4.40 cm to the left of a converging lens of focal length 8.05 cm. A…

A: Solution

Q: A simple magnifier has maximum angular magnification of +6.0. Find the (a) focal length of the lens…

A: The magnification is given by  where, f is the focal length and D is the least distance of distinct…

Q: A 7.25 mm high pushpin sits upright in front of a converging lens at a distance of 25.4 cm. If the…

A:

Q: An object is located 15.0 cm from a converging and unknown lens combination; the converging lens has…

A: useful formula:The u-v-f relation for a lens is1v-1u=1f--(1)v-image distanceu-object distancef-focal…

Q: b) A convex lens has a radius of curvature of 60 cm. An object 7 cm high is placed 40 cm in front of…

A:

Q: Two converging lenses are separated by 24.5 cm. The focal length of each lens is 13 cm. An object is…

A:

Q: For safety reasons, you install a rear-window lens with a −0.299 m focal length in your van. Before…

A: safety reasons, you install a rear-window lens with a −0.299 m focal length in your van. Before…

Q: A 2.0 cm tall object is placed perpendicular to the principal axis of a convex lens of focal length…

A: The lens formula and magnification formula are, Where, f = focal length u = object distance v =…

Q: Two lenses, one converging of focal length 10.0 cm and one diverging of 5.0 cm, are placed 30.0 cm…

A:

Q: n one side of a diverging lens of focal length 29.6 cm, you position an object of height 3.43 cm…

A: The magnification of the lens is given by The thin lens formula is given by

Q: On one side of a converging lens of focal length 27.6 cm, you position an object of height 3.09 cm…

A: Focal length of converging lens is Height of object is Height of image is Find:Object distance.

Q: A diverging lens has a focal length of magnitude 22.2cm.  Find the magnification for the object at…

A:

Q: The owner of a van installs a rear-window lens that has a focal length of -0.330 m. When the owner…

A: Given Data: Focal length (f) = -0.330 m.Distance of the object (v) = 0.240 m.Height of the image hi…

Q: An optical technician mounts two thin lenses along a single optical axis (the lenses are at right…

A: we know that Lens formula, 1f=1v-1uwhere, f is focal lengthand v is image distanceu is object…

Q: Two lenses, converging with focal length f, = 22.0 cm and f2 =21.0 cm, are placed 65.0 cm apart. An…

A:

Q: An object is placed 8.0 cm to the left of a diverging lens of focal length-6.00 cm. A converging…

A:

Q: An astrophysicist mounts two thin lenses along a single optical axis (the lenses are at right angles…

A:

Q: (a) A 1.00 cm-high object is placed 3.45 cm to the left of a converging lens of focal length 7.05…

A:

Q: One side of a lens is convex with radius of curvature 30 cm. The other side is concave with radius…

A: Given data: The radius of curvature of convex lens is Rconvex=30 cm. The radius of curvature of…

Q: On one side of a diverging lens of focal length 42.7 cm, you position an object of height 3.27 cm…

A:

Q: Problem 5: Two converging lenses, one with a focal length of 22.0 cm and the other with a focal…

A: Given, The focal length of the two converging lenses are: f1=22.0 cmf2=10.0 cm The distance between…

Q: A 1.00-cm-high object is placed 4.95 cm to the left of a converging lens of focal length 7.75 cm. A…

A: Given information: The height of the object, ho=1.00 cm The distance of the object from the…