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Home Q & A Board Science-Related Homework Help Physics Astronomy
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solaiman solaiman
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6 years ago
An object is located 2.6 m in front of a plane mirror. The image formed by the mirror appears to be
 
  A) 1.3 m in front of the mirror.
  B) on the mirror's surface.
  C) 1.3 m behind the mirror's surface.
  D) 2.6 m in front of the mirror.
  E) 2.6 m behind the mirror's surface.

Question 2

An electron is confined to a one-dimensional box of width 0.10 nm, about the size of an atom. What is its energy, in eV, in the ground state?
 
  What will be an ideal response?

Question 3

A solenoid 20. cm long is wound with 5000. turns of wire. What magnetic field is produced at the center of the solenoid when a current of 10. A flows?
 
  A) 1.4 T
  B) 0.84 T
  C) 1.6 T
  D) 0.67 T
  E) 0.31 T

Question 4

A 4.0 cm high object is 20. cm in front of a 1.333 Diopter plano-convex lens.
 
  (a) Find the image position. Real or Virtual?
  (b) Find the image size. Erect or Inverted?
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magn0117magn0117
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6 years ago
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solaiman Author
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#2
6 years ago
Thank you Jesus, my teacher is bad at explaining
wrote...
#3
6 years ago
Praise the LORD ha ha No worries
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