Popular Questions
- In a given direction, the intensities of the scattered light by a scattering substance for two beams of light are in the ratio of ..
- According to Newtons corpuscular theory, the speed of light is
- Which one of the following property of light does not support wave theory of light?
- In Huygens wave theory, the locus of all points in the same state of vibration is called
- The wavefront of distant source of unknown shape is approximately
- Which of the following generates a plane wavefront?
- Which of the following generates a plane wavefront?
- The wave theory of light, in its original form, was first proposed by
- Which of the following cannot be explained on the basis of wave nature of light? I. Polarisation II. Optical activity III. Photoel..
- Select the right option in the following
- A is an essential condition for coherent sources. Here, A refers to
- In a double slit interference experiment, the fringe width obtained with a light of wavelength 5900 A was 1.2 mm for parallel narr..
- Two sources are said to be coherent if they produce waves
- If Youngs double slit experiment is performed in water
- For sustained interference fringes in double slit experiment, essential conditions is/are I. sources must be coherent II. the inte..
- If Youngs double slit experiment, is performed in water
- In Youngs double slit experiment if the slits widths are in the ratio 1 : 9, the ratio of the intensities at minima to that at max..
- the wavelengths of light used in an optical instrument are
- the transverse nature of light is shown by
- to demonstrate the phenomenon of interference, we require two
- the maximum number of possible interference maximum for slit - separation
- the angle of incidence at which reflected light is totally polarized
- in Youngs double-slit experiment, a monochromatic source
- if i is the intensity of the principal maximum in the single
- when an unpolarised light of intensity l0 is incident on a polarising
- in youngs double-slit experiment, the intensity at a point where the path
- a mixture of light, consisting of wavelength 590 nm and an unknown wavelength
- as the beam enters the medium, it Will
- the initial shape of the wave front the beam is
- the speed of light in the medium is
- Direction: the question has a paragraph following by two statements, statement 1and statement 2.
- a beam of unpolarised light of intensity i0 is passed through a
- two coherent point sources s1 and S2 separated by a small
- two beams, a and b of plane polarized light with mutually
- on a hot summer night, the refractive index of air is smallest near the and
- assuming human pupil to have a radius of 0.25 cm and a comfortable
- A light wave of frequency enters a medium of
- A convex Lems A of focal length 20 cm and a
- A monochromatic beam of light of wavelength
- In youngs double-slit experiment the two slits
