Spherical Mirrors: An object is placed near a concave mirror having a radius of curvature of magnitude 60 cm. How far should you place the object from the mirror so that the lateral magnification produced by the mirror will be +2.5?

A. 18 cm
B. 24 cm
C. 30 cm
D. 36 cm
E. 42 cm


Answer: A

Physics & Space Science

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Which would have the higher activation energy for diffusion, carbon in iron or nickel in iron? The atomic radius of carbon is 0.077 nm, the atomic radius of nickel is 0.124 nm, and the atomic radius of iron is 0.124 nm. _____________

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Solenoid: How many turns should a 10-cm long ideal solenoid have if it is to generate a 1.5-mT magnetic field when 1.0 A of current runs through it? (?0 = 4? × 10-7 T ? m/A)

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The primary difference between the special theory of relativity and the general theory of relativity is that the general theory also describes

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