object. What is the distance between the oberver and the imnge mireor. An observ

Question

object. What is the distance between the oberver and the imnge mireor. An observer stands 3 m behind the 28. (6 points) An object is placed 2.0 em in fromt of a concave spherical h inture is 8.0 em. Locate the position of the image by ray tracing and using the wniror equation. the image erect or inverted? mirror whose radius of t Is 29. (6 points) A ray of light passes from air into a block of glass with a refractive index n=1.5. It the incident angle is 50 degrees, determine the angle of refraction. 30. (6 points) A generator supplies 100 V to the primary coil of a transformer. The primary has 50 turns and the secondary has 500 turns. What is the voltage in the secondary coil?

Explanation / Answer

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27.

object distance do=1 m

Distance of observer from the object is x=3 m

image distance di =1 m

Therefore observer has to focus the image of the object at a distance is

d=1+3+1=5 m

30.

Transformer turns ratio

Vs/Vp =Ns/Np

Vs =100*(500/50)

Vs =1000 Volts

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