When viewed in a spherical mirror, the image of a setting sun is a virtual image. The image lies 12 cm behind the mirror. (a) What is the focal length of the mirror? (b) What is the radius of curvature of the mirror?

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Q: 10.0 A I 8.0 A 20.0 A

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Q: 3 M R3 ty m R₁

A: R1 = R2 = 5 Ω  R3 = 7.50 Ω

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A: For making dynamic similarity of model: Rem=RepρmVmLmμm=ρpVpLpμpVm=ρpVpLpμp{μmρmLm}

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Q: its incomplete solution. i need answer for all quetions 7

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Q: Suppose a motor connected to a 130 V source draws 19.5 A when it first starts. (a) What is its…

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A: External resistance = 25 Ω  Internal resistance = 1.50 Ω Emf = 20 V

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A: See beloe

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Q: Repeat part A for an electron accelerated through a potential of 20.5 kVkV .

A:

Applications Of Reflection Of Light

When a light ray (termed as the incident ray) hits a surface and bounces back (forms a reflected ray), the process of reflection of light has taken place.

Sign Convention for Mirrors

A mirror is made of glass that is coated with a metal amalgam on one side due to which the light ray incident on the surface undergoes reflection and not refraction.