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  1. When a beam of light is used to determine the position of an object,
  2. When the wavelength of sound changes from 1 m to 1.01 m,
  3. The diameter of the eye ball of a normal eye is about 2.5 cm. The power of the eye
  4. A student performs an experiment to determine the Young’s modulus of a wire
  5. An alpha nucleus of energy 1/2 mv² bombards a heavy nuclear target of charge Ze