The power of a convex lens is 25D. Its focal length becomes a. 4cm O b. 4m O c. 0.04m O d. - 4m
Q: 2 When an objed is placed som in front of and down the hought of the defeat a Calculate the radius.…
A:
Q: given? 91=2. 0nC 92=3.0nc 93240nc +) - 3.0CM Be 2.Ocm
A: Given :- The charge q1 = 2.0 nC , q2= 3.0 nC & q3 = 4.0 nC The distance between q1 and q2 is…
Q: - Fill in the missing values in the following table. f a. 6.0 cm b. 2.9 cm P Converging lens ? ? 9…
A: Since you posted several questions, we will solve only first question and for the solutions of other…
Q: 32.) Convex mirrors form images that are smaller than the actual object. a. True b. False
A: A convex mirror is a category of mirror which is curved outwards, which is also the polishing…
Q: A spherical mirror has a focal length of 22.5 cm. Determine its radius of curvature. A. 22.5 cm B.…
A: Given Focal length of the mirror is given as f=22.5 cm. We have to find the radius of curvature of…
Q: Question.) what is the het egarLhtO electric force On charge 92 clostance magnitude
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: 17) A contact lens is made of plastic with an index of refraction of 1.60. The lens has an outer…
A: Consider the given data as below. Index of refraction, n=1.60 The outer radius of curvature of lens,…
Q: 11) A convex mirror has a focal length of ( -8) cm. If an object is placed 15 cm from the surface,…
A: Given data: Focal length, f = -8 cm Distance of the object, do = 15 cm
Q: An object is placed a distance do in front of a concave mirror with a radius of curvature r = 6 cm.…
A:
Q: 2. In a cinema, a picture 2.5 cm wide on the film is projected to an image 3.0m wide on a screen…
A:
Q: 15.Amagnifying glass with focal length 15cm is placed 10cm above a stamp. The image of the stamp is…
A: The expression for focal length is written as, Here, u and v denote the object’s distance and the…
Q: 22. The focal length of a concave mirror has a magnitude of 10 cm. What is its radius of curvature?…
A:
Q: 4. Where is the image located of an object 15 cm away from a mirror of focal length 30 cm?
A: Focal Length (f) =30 cmObject distance (do) = -15 cm (negative sign since the object is in front of…
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: 2. A convex mirror has a focal length of -28.5 cm. Find the magnification produced by the mirror…
A: The focal length of convex mirror is: The distance of the object is:
Q: A CONVEX mirror and a CONCAVE lens both produce the same types of images. a. True b. False
A: Convex mirror is known as diverging mirror. The image formed by the convex mirror is virtual in…
Q: 11) An object is 12 cm in front of a convex spherical mirror, and the image is 3.0 cm behind the…
A:
Q: K–10 cm Example Find the BFL and FFL of the lens system. Ans: BFL = +40.0 cm, FFL = +10.0 cm. f1 = -…
A: Given: f1=-30cm f2=20cm d=10cm
Q: A shorter focal length will increase the power of which of the following? I. lens II. mirror…
A: Case of lens We know the expression for power of lens is P=1fP=power of lens f=focal length of lens…
Q: Determine the distance of an object that forms an image at 39cm away from the converging lens that…
A:
Q: 124. A dentist w from a tooth, v magnification of used and what m
A: Since there are multiple questions posted, we will answer the first question for you. If you want…
Step by step
Solved in 2 steps
- 4. Calculate the height of the mage formed when a 2.50m Fall sbject is placed (0cm away from a lens with focal length -15cm3. is its focal length? The radius of curvature of a spherical, convex, mirror is 20 cm. What a) -20 cm b) -10 cm c) 1/20 cm d) 10 cm =(13) Mike takes a picture of Cathy using a single convergent lens camera with a focal length f-5 cm, the first picture is a close up taken with Cathy at doi - 20 cm, the second picture is taken with Cathy standing dez-20 m -20,000 cm away from the lens. What is the distance Mike must move the lens on his camera to keep Cathy in focus for both shots?
- 1. To find an image by ray tracing requiresa. Four raysb. Two raysc. Eight raysd. Three rayse. Only one rayWhich of the following changes would increase the focal length of a lens? O increase index of refraction of lens material. O increase radius of curvature of surface. O decrease radius of curvature of surface. use red colored lens material.2. A convex lens with focal length f formed an image of the object is shown in the diagram below Object 10 cm 15 cm F, F2 Image F1 and F2 are the focus points of the lens. What is the focal length, fof the lens? А. 11.2 cm С. 12.2 ст В. 11.8 сm D. 14.5 cm
- 24) A transparent photographic slide is placed in front of a converging lens with a focal length of 2.60 cm . The lens forms an image of the slide 14.0 cm from the lens. How far is the lens from the slide if the image is a) real, and b) virtual?A virtual image of an object can be formed byA. A converging lens B. A diverging lensC. A plane mirror D. A converging mirrorE. Any of the above