An object is seen through a simple microscope of focal length 12 cm. Find the angular magnification produced if the image is formed at the near point of the eye which is 25 cm away from it.
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- has a magnifying A compound power of 100 when the image is formed at infinity. The objective has a focal length of 0.5 cm and the tube length is 6.5 cm. Find the focal length of the eye piece.An object is located 15.8 cm to the left of a diverging lens having a focal length f = −36.2 cm. (a) Determine the location of the image. distance cm location ---Select--- to the right of the lens to the left of the lens (b) Determine the magnification of the image.(c) Construct a ray diagram for this arrangement.= A leaf of length his positioned d below. Leaf d 70.3 cm in front of a converging lens with a focal length of 34.0 cm. An observer views the image of the leaf from a position 1.26 m behind the lens, as shown in the figure 1.26 m (a) What is the magnitude of the lateral magnification (the ratio of image size to the object size) produced by the lens? (b) What angular magnification is achieved by viewing the image of the leaf rather than viewing the leaf directly?
- The distance between the lenses in a compound microscope is 18 cm. The focal length of the objective is 1.5 cm. If the microscope is to provide an angular magnification of - 68 when used by a person with a normal near point (25 cm from the eye), what must be the focal length of the eyepiece?The distance between the eyepiece and the objective lens in a certain compound microscope is 10.4 cm. The focal length of the objective is 0.430 cm, and that of the eyepiece is 1.40 cm. Find the overall magnification of the microscope. (The near point of the eye is 25 cm. Assume that the object is placed at the focal point of the objective lens, and one places the eyepiece at the near point of the eye.)An object is placed 21.2 cm in front of a diverging lens which has a focal length with a magnitude of 13.0 cm. How far in front of the lens should the object be placed in order to produce an image that is reduced by a factor of 3.15?