9. should you use? You can use Sunlight and a lens to start a fire. Which type of lens a) Converging b) Diverging c) Planar (flat on both sides) d) Any of the above lenses will work to start a fire.
Q: 39. A light ray shining from an object and parallel to the axis of a converging lens will always…
A: For converging lenses, focal point is the point on the principal axis where all the rays parallel to…
Q: 3. An amusement park wants a mirror that, when someone stands 1. meters from it, it will produce an…
A:
Q: What is the speed of light in the lens of the eye? A) 1.50 x 108m/s B) 2.14 x 108m/s C) 3.00 x…
A: Step 1: Step 2:
Q: 96) A nearsighted person wears contact lenses having a power of -0.15 diopters. What is the person's…
A: Here is the step-by-step explanationTo solve these problems, we'll use the lens formula and the…
Q: 10. Calculate the magnification of an object placed 6.20mm from a compound microscope that has a 6mm…
A: Given information:Here, d0 is the object’s distance for the objective lens, f0 and fe are the focal…
Q: 3. For a converging lens the object is 10 cm from the lens and the image is 24 cm from the lens on…
A: See below
Q: 1) A concave-convex lens of a glass has radii of 12 cm and 10 cm, respectively, and an index of…
A: The focal length of a lens is given by the lens maker equation as 1f=n-11R1-1R2n is the refractive…
Q: 6) An object 2.0 em tall is in front of a converging lens of focal length 22 cm. The object is 10 em…
A:
Q: A myopic person has a near point of 23 cm and a far point of 37 cm. When correcting the distant…
A:
Q: When an object is placed two times farther from a diverging lens, the focal length of the lens is…
A: Question: When an object is placed two times farther from a diverging lens, the focal length of the…
Q: # 9. An object is placed in front of a lens and the image is upright, but smaller. What sort of lens…
A:
Q: 2. Both microscopes and telescopes have objective lenses that form real images. Why is it that the…
A: Both microscope and telescope are used to magnify the objects so the human eye can see them. The…
Q: An object is 25.0 cm in front of a converging lens with a focal length of 55.0cm. Use ray tracing to…
A: object distance=25cm focal length= 55cm
Q: Two converging lenses are used to form a compound microscope, the first lens (object lens) has focal…
A: The total magnification of the microscope is given by M=mome mo, me are magnifications of objective…
Q: a) Determine the far point of a near-sighted person whose prescription is -6.00. h) Determine the…
A: Solution
Q: A slide projector has a converging lens whose focal length is 105 mm. How far from the lens must the…
A:
Q: 2) For a converging lens with focal length f = 10 cm, the object distance p = 25 cm. Calculate the…
A: Given that The focal length of the convergent lens is f = 10cm (positive for…
Q: 11) Two converging lenses are used to form a compound microscope, the first lens (object lens) has…
A: To see the nature of final image we have to draw the ray diagram of microscope and we will see how…
Q: 22.) Farsightedness is a condition where a. light entering your eye is focused in front of your…
A: Farsightedness is a common type of refractive error where distant objects may be seen more clearly…
Q: what will happen if an eyeglasses has: a. two converging lens b. two diverging lens c. both…
A: if an eyeglasses has both converging and diverging lens
Q: Identify in each situation where the image will form
A: A virtual image will be formed when an object is placed at a distance less than one focal length of…
Q: A lens-maker wants to make a magnifying glass (double convex lens) of focal length 16 cm from a…
A:
Q: 5. For a converging lens of focal length f, where would you place the object to obtain an image as…
A: Step 1: Lenses: These are the optical devices that are used to refract the light as per the…
Q: Calculate the focal length of the mirror formed by the convex side of a shiny spoon that has a 2.29…
A:
Q: The object is placed inside the focal length of a concave mirror. Describe the image of the object.
A: The concave mirrors are the ones that can form both the images that are real and virtual. They are…
Q: Determine the object's distance from the biconvex lens if the image's magnification is -2 and the…
A: magnification (m) = - 2image distance (di) = 17 cm
Q: A dentist uses a curved mirror to view the back side of teeth in the upper jaw. Suppose she wants an…
A:
Q: 6) An object is placed 20 cm in front of a converging lens of focal length 5 cm, where does the…
A: Given Object distance from lens = 20 cm Focal length = 5 cm We have to calculate the image position…
Q: 1. What kind of mirror does a dentist use when he wants to observe a magnified image of the took,…
A: (1) A concave mirror is a spherical mirror in which light is reflected from the mirror's concave…
Q: 3. A girl standing 2 meter in front of a plane mirror wishes to take a picture of her reflection. To…
A: A plane mirror always forms a virtual image (behind the mirror). The image and object are the same…
Q: 3. Bifocal lenses are prescribed for a patient, the components having focal length of 40cm &-300cm.…
A: Myopia is an eye defect wherein the objects nearer to the eyes appear clearly and those far off are…
Q: You want to use a double lens imaging system with the first lens having a focal length F₁ = 80 mm…
A: Focal length of first lens : F1=80 mm Focal length of second lens : F2=30 mm Object distance from…
Q: a) draw a ray diagram of a farsighted eye to show why they cant see clearly and then add "glasses"…
A: There are many defects of eye. Mainly are 2 defects myopia and hypermetropia. Previous is called…
Q: 15. An object is placed 70.0 cm in front of a lens whose focal length is +23.0 cm. The image that is…
A:
Q: 6) An object is placed very far in front of a converging lens of focal length 13.2 cm. Find the…
A: If object is placed very far in front of a converging lens of focal length f, The location of image…
Q: 2. The same rays are used to find the properties of a diverging lens. Use them to locate the image…
A: Light rays from object and image formed is as follows for first object: Image formed is virtual and…
Q: (15) Please don't write on a paper. I can't understand handwritten. Determine the object's distance…
A: Given : Magnification (m) = -2 Image distance (di) = 17 cm
Q: 14 An object is placed 5 cm to the left of a converging lens. Its image forms 10 cm to the left of…
A: If v is the image distance and u is the object distance from the lens and f is the focal length,…
Q: ) Explain why the crystalline lens of the eye gets a virtual object from the cornea.
A: Answer:- The crystalline lens of the eye gets a virtual object from the cornea.The lens will form a…
Q: For a greater magnification, should a lens with a larger or smaller focal length be selected?…
A: For greater magnification, should a lens with a larger or smaller focal length be selected.
Q: . At what distance in front of a 30 mm FL positive lens would a 14 mm tall object need to be placed…
A: Given, focal length of lens f=30 mm object height ho=14 mm magnification m=3.2 object distance u=?
Q: Which of the following is FALSE regarding hyperopic persons? Their corrective lens is a convex…
A: Here the option (d) is correct. i.e The statement The focal lengths of their lenses are shorter…
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