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 block is moving up an inclined plane of inclination 60° with velocity of 20 ms⁻¹
  2. A projectile is thrown in the upward direction making an angle of 60°with the horizontal
  3. If the error in the measurement of momentum of particle is (+100%)
  4. A scooter is going round a circular road of radius 100 m at a speed of 10m/s
  5. A uranium nucleus ₉₂ U ²³⁸ emits an α-particle and a β-particle in succession.