Vision Problems: A nearsighted person has a far point of 18 cm. What power contact lenses will allow this person to comfortably see distant objects clearly?
A. +5.6 diopters
B. -5.6 diopters
C. +0.056 diopters
D. -0.056 diopters
Answer: B
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Components: The x and y components of a vector in a horizontal plane are 4.00 m and 3.00 m, respectively.(a) What is the magnitude of this vector?(b) What angle does this vector make with the positive +y-axis.
Fill in the blank(s) with the appropriate word(s).
A constant net force acts on an object. Describe the motion of the object
A) constant non-zero velocity. B) constant non-zero acceleration. C) increasing acceleration. D) decreasing acceleration. E) zero acceleration.
It is diffraction that limits the ________ of a telescope of a given objective diameter
A) magnification B) light grasp C) interference D) aperture E) resolution
In heat transfer, the heat flux is directly related to the temperature _____________.
Fill in the blank(s) with the appropriate word(s).