Physics

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A film of index of refraction n1 coats a surface with index of refraction n2. When n1>n2, the ... Started by Ebrown	1 Replies 240 Views	Aug 10, 2020 by tashiedavis420
Nonreflective coatings for camera lenses reduce the loss of light at various surfaces of multi-lens ... Started by Medesa	1 Replies 54 Views	Aug 10, 2020 by Leostella20
When you stand in front of a convex mirror, the image you see is Started by james0929	1 Replies 72 Views	Aug 10, 2020 by recede
The object in a ray diagram is perpendicular to the principal axis but does not have one end lying ... Started by bcretired	1 Replies 55 Views	Aug 10, 2020 by joshraies
The image of an object beneath the surface of a medium of refractive index n> 1 is seen in air by a ... Started by asmith134	1 Replies 96 Views	Aug 10, 2020 by T4T
The actual depth of a shallow pool 1.00 m deep is not the same as the apparent depth seen when you ... Started by 123654777	1 Replies 117 Views	Aug 10, 2020 by Cnarkel
Ilona and Olivia observe a virtual image formed by an object placed a distance in front of a convex ... Started by Coya19@aol.com	1 Replies 72 Views	Aug 10, 2020 by smrerig
An object is placed a distance y0 = 2f in front of a concave mirror of focal length f that is ... Started by bucstennis@aim.com	1 Replies 86 Views	Aug 10, 2020 by EAN94
An object is placed 25 cm in front of a lens of focal length 20 cm. 60 cm past the first lens is a ... Started by serike	1 Replies 157 Views	Aug 10, 2020 by yahahah24021
An object is placed 15 cm in front of a concave mirror with a focal length of 30 cm. What is the ... Started by Themember4	1 Replies 87 Views	Aug 10, 2020 by mbcrismon
An object 50-cm high is placed 1.0 m in front of a converging lens whose focal length is 1.5 m. ... Started by awywial	1 Replies 110 Views	Aug 10, 2020 by upturnedfurball
A telescope is constructed with two lenses separated by a distance of 25 cm. The focal length of the ... Started by B	1 Replies 71 Views	Aug 10, 2020 by sierrahalpin
A magician can make a candle look as if it is burning under water by focusing light from a candle ... Started by rayancarla1	1 Replies 115 Views	Aug 10, 2020 by Dunkey
A girl is sitting on the edge of a pier with her legs dangling over the water. Her soles are 80.0 cm ... Started by waynest	1 Replies 71 Views	Aug 10, 2020 by elizabethrperez
A fish is 80 cm below the surface of a pond. What is the apparent depth (in cm) when viewed from a ... Started by cmoore54	1 Replies 76 Views	Aug 10, 2020 by trampas
A dentist uses a concave mirror (focal length 2 cm) to examine some teeth. If the distance from the ... Started by sammy	1 Replies 51 Views	Aug 10, 2020 by diana chang
A convex mirror has a focal length of 20 cm. What is the object distance if the image distance is 10 cm? Started by elizabeth18	1 Replies 95 Views	Aug 10, 2020 by sokh
A concave mirror has a focal length of 20 cm. What is the position (in cm) of the object if the ... Started by genevieve1028	1 Replies 74 Views	Aug 10, 2020 by shailee
A concave mirror has a focal length of 20 cm. What is the magnification if the object and image ... Started by charchew	1 Replies 78 Views	Aug 10, 2020 by Hikerman221
A clown 2 m tall looks at himself in a full-length mirror (floor-to-ceiling). Where in the mirror ... Started by sdfghj	1 Replies 89 Views	Aug 10, 2020 by janeli1
A contact lens is made of plastic with an index of refraction of 1.50. The lens has an outer radius ... Started by Pea0909berry	1 Replies 194 Views	Aug 10, 2020 by Dunkey
Which diagram correctly shows the magnetic field lines created by a circular current loop in which ... Started by cagreen833	1 Replies 216 Views	Aug 6, 2020 by SVictor
When a ferromagnetic material that has been magnetized is brought to a temperature greater than the ... Started by shofmannx20	1 Replies 114 Views	Aug 6, 2020 by Mollythedog
What is the magnitude of the magnetic field at point P in the figure if a = 2.0 cm, b = 4.5 cm, and I = 5.0 A? Started by jerry coleman	1 Replies 253 Views	Aug 6, 2020 by lauravaras
What is the magnitude of the magnetic field at point P if a = R and b = 2R? Started by EY67	1 Replies 311 Views	Aug 6, 2020 by aburgess