To deminstrate the phenimenon of interference, we require two sources which emit radiationA. of nearly the same frequencyB. of the same frequencyC. of different wavelengthsD. of the same frequency and having a definite phase relationship

To deminstrate the phenimenon of interference, we require two sources

1.	To deminstrate the phenimenon of interference, we require two sources which emit radiationA. of nearly the same frequencyB. of the same frequencyC. of different wavelengthsD. of the same frequency and having a definite phase relationship
Answer» Correct Answer - D For the phenomenon of interference we require two sources of light of same frequency and having a definite phase relationship (a phase relationship that does not change with time)

Discussion

No Comment Found

Related InterviewSolutions

If `I_0` is the intensity of the principal maximum in the single slit diffraction pattern. Then what will be its intensity when the slit width is doubled?A. `4I_0`B. `2I_0`C. `(I_0)/(2)`D. `I_0`
A thin glass (refractive index 1.5) lens has optical power of `-5D` in air. Its optical power in a liquid medium with refractive index 1.6 will beA. `-1D`B. `1D`C. `-25D`D. `25D`
A light of wavelength `6000 A` in air, enters a medium with refractive index 1.5 Inside the medium its frequency is….Hz and its wavelength is ….`A`
A point source emits sound equally in all directions in a non-absorbing medium. Two points `P` and `Q` are at the distance of `9 meters` and 25 meters respectively from the source. The ratio of amplitudes of the waves at `P` and `Q` is…..
A convex lens of focal length 40 cm is in contact with a concave lens of focal length 25 cm. The power of the combination isA. `-1.5`dioptersB. `-6.5` dioptersC. `+6.5` dioptersD. `+6.67` diopters
A convex lens if in contact with concave lens. The magnitude of the ratio of their focal length is `(2)/(3)`. Their equivalent focal length is 30 cm. What are their individual focal lengths?A. `-15,10`B. `-10,15`C. `75,50`D. `-75,50`
Focal length of the plano-convex lens is 15 cm. A small object is placed at A as shown in the figure. The plane surface is silvered. The image will form at ` A. 60 cm to the left of lensB. 12 cm to the left of lensC. 60 cm to the right of lensD. 30 cm to the left of lens
A diminished image of an object is to be obtained on a screen 1.0 m from it. This can be achieved by appropriately placingA. a concave mirror of suitable focal lengthB. a convex mirror of suitable focal lengthC. a convex lens of focal length less than 0.25 mD. a concave lens of suitable focal length
A beam of light of wave length 600 nm from a distance source fall on a single slit 1mm wide and a resulting. Diffraction pattern is observed on a screen 2m away. The distance between the first dark fringes on either side of central bright fringe isA. 1.2 cmB. 1.2 mmC. 2.4 cmD. 2.4 mm
In an experiment, electrons are made to pass through a narrow slit of width `d` comparable to their de Broglie wavelength. They are detected on a screen at a distance `D` from the slit (see figure)`. ` Which of the following graphs can be expected to represent the number of electrons `N` detected as a function of the detector position `y` (y=0 corresponds to the middle of the slit ).B. C. D.

To deminstrate the phenimenon of interference, we require two sources which emit radiationA. of nearly the same frequencyB. of the same frequencyC. of different wavelengthsD. of the same frequency and having a definite phase relationship

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment