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The focal length of a spherical mirror is N times its radius of curvature where N is:
Q2: The illustration shows total internal reflection taking
Q7: In a two lens microscope, the intermediate
Q17: The mass of a neutron:<br>A) equals that
Q18: The diagram shows three arrangements of circular
Q18: Starting with a sample of pure <sup>66</sup>Cu,
Q25: The half-life of a radioactive isotope is
Q52: An inductor with inductance L restistor
Q53: An electron is moving at 0.6c. If
Q67: A convex spherical mirror has a focal
Q69: A magnetic field <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB3150/.jpg" alt="A magnetic