Navigate

When a beam of light is used to determine the position of an object,

When a beam of light is used to determine the position of an object, the maximum accuracy is achieved if the light is

Options

(a) Polarised
(b) Of longer wavelength
(c) Of shorter wavelength
(d) Of high intensity

Correct Answer:

Of shorter wavelength

Explanation:

Shorter the wavelength, greater the accuracy in measurement.

AIIMS2003
admin:

Related Questions

  1. A parallel plate capacitor of a capacitance 1 pF has seperation between the plates
  2. In an AC generator, a coil with N turns, all of the same area A and total resistance R,
  3. A stone of mass 1 kg tied to a light inexensible string of length L=10/3 is whirling
  4. The ionisation energy of an electron in the ground state of helium atom is 24.6 eV.
  5. To demonstrate the phenomenon of interference, we require two sources which emit