300
450
600
150
Question:
Non-coherent sources emit light beam of intensities the maximum and minimum intensities in the resulting beam are
Question:
Light propagates distance in glass of refractive index 1.5 in time t0. In the same time t0, light propagates a distance of in a medium. The refractive index of the medium is
Question:
Two wave fronts are emitted from coherent sources of path difference between them is 2.1 micron. Face difference between the wave fronts at that point is Wave length of light emitted by source will be
Question:
A spherical air bubble in water will act as
Convex lens
Concave lens
Glass plate
Plano convex lens
Question:
A concave lens can be used as a simple magnifier if the object lies
Beyond f
Within the focal length
Between f and 2f
At 2f
Question:
For an equilateral prism the angle of minimum deviation is 300. Then the refractive index of the material of the prism is
4