Coherent Sources of Light and interference of Light Constructive, Distractive
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
WAVE OPTICS

283289 In a Young's double slit experiment, a set of parallel slits with a separation of \(0.1 \mathrm{~mm}\) is illuminated by light having a wavelength of 620 \(\mathrm{nm}\). The interference pattern is observed on a screen \(4 \mathrm{~m}\) from the slits. The difference in the path lengths of the light waves from each of the slits to the location of \(4^{\text {th }}\) (fourth) order bright fringe on the screen is

1 \(2.48 \mu \mathrm{m}\)
2 \(1.24 \mu \mathrm{m}\)
3 \(1.24 \mu \mathrm{m}\)
4 0
WAVE OPTICS

283290 In Young's double slit experiment, the slits are \(3 \mathrm{~mm}\) apart and are illuminated by light of two wavelengths \(3750 \stackrel{\mathbf{A}}{\mathbf{A}}\) and \(7500 \stackrel{\mathbf{A}}{\mathbf{A}}\). The screen is placed at \(4 \mathrm{~m}\) from the slits. The minimum distance from the common central bright fringe on the screen at which the bright fringe of one interference pattern due to one wavelength coincide with the bright fringe of the other is

1 \(2 \mathrm{~mm}\)
2 \(3 \mathrm{~mm}\)
3 \(1 \mathrm{~mm}\)
4 \(8 \mathrm{~mm}\)
WAVE OPTICS

283291 Young's double slit experiment is conducted with monochromatic light of wavelength 5000 \(\AA\). With slit separation of \(3 \mathrm{~mm}\) and observer at \(20 \mathrm{~cm}\) away from the slits. If \(1 \mathrm{~mm}\) transparent plate is placed in front of one of the slits. The fringes shift by \(6 \mathrm{~mm}\). The refractive index of the transparent plate is

1 1.08
2 1.09
3 1.1
4 1.2
WAVE OPTICS

283292 When monochromatic light of wavelength 600 \(\mathrm{nm}\) is used in Young's double slit experiment, the fifth order bright fringe is formed at \(6 \mathrm{~mm}\) from the central bright fringe on the screen. If the experiment is conducted with light of wavelength \(400 \mathrm{~nm}\) from the central bright fringe, the third order bright fringe will be located at

1 \(1.6 \mathrm{~mm}\)
2 \(2 \mathrm{~mm}\)
3 \(2.4 \mathrm{~mm}\)
4 \(3 \mathrm{~mm}\)
WAVE OPTICS

283289 In a Young's double slit experiment, a set of parallel slits with a separation of \(0.1 \mathrm{~mm}\) is illuminated by light having a wavelength of 620 \(\mathrm{nm}\). The interference pattern is observed on a screen \(4 \mathrm{~m}\) from the slits. The difference in the path lengths of the light waves from each of the slits to the location of \(4^{\text {th }}\) (fourth) order bright fringe on the screen is

1 \(2.48 \mu \mathrm{m}\)
2 \(1.24 \mu \mathrm{m}\)
3 \(1.24 \mu \mathrm{m}\)
4 0
WAVE OPTICS

283290 In Young's double slit experiment, the slits are \(3 \mathrm{~mm}\) apart and are illuminated by light of two wavelengths \(3750 \stackrel{\mathbf{A}}{\mathbf{A}}\) and \(7500 \stackrel{\mathbf{A}}{\mathbf{A}}\). The screen is placed at \(4 \mathrm{~m}\) from the slits. The minimum distance from the common central bright fringe on the screen at which the bright fringe of one interference pattern due to one wavelength coincide with the bright fringe of the other is

1 \(2 \mathrm{~mm}\)
2 \(3 \mathrm{~mm}\)
3 \(1 \mathrm{~mm}\)
4 \(8 \mathrm{~mm}\)
WAVE OPTICS

283291 Young's double slit experiment is conducted with monochromatic light of wavelength 5000 \(\AA\). With slit separation of \(3 \mathrm{~mm}\) and observer at \(20 \mathrm{~cm}\) away from the slits. If \(1 \mathrm{~mm}\) transparent plate is placed in front of one of the slits. The fringes shift by \(6 \mathrm{~mm}\). The refractive index of the transparent plate is

1 1.08
2 1.09
3 1.1
4 1.2
WAVE OPTICS

283292 When monochromatic light of wavelength 600 \(\mathrm{nm}\) is used in Young's double slit experiment, the fifth order bright fringe is formed at \(6 \mathrm{~mm}\) from the central bright fringe on the screen. If the experiment is conducted with light of wavelength \(400 \mathrm{~nm}\) from the central bright fringe, the third order bright fringe will be located at

1 \(1.6 \mathrm{~mm}\)
2 \(2 \mathrm{~mm}\)
3 \(2.4 \mathrm{~mm}\)
4 \(3 \mathrm{~mm}\)
WAVE OPTICS

283289 In a Young's double slit experiment, a set of parallel slits with a separation of \(0.1 \mathrm{~mm}\) is illuminated by light having a wavelength of 620 \(\mathrm{nm}\). The interference pattern is observed on a screen \(4 \mathrm{~m}\) from the slits. The difference in the path lengths of the light waves from each of the slits to the location of \(4^{\text {th }}\) (fourth) order bright fringe on the screen is

1 \(2.48 \mu \mathrm{m}\)
2 \(1.24 \mu \mathrm{m}\)
3 \(1.24 \mu \mathrm{m}\)
4 0
WAVE OPTICS

283290 In Young's double slit experiment, the slits are \(3 \mathrm{~mm}\) apart and are illuminated by light of two wavelengths \(3750 \stackrel{\mathbf{A}}{\mathbf{A}}\) and \(7500 \stackrel{\mathbf{A}}{\mathbf{A}}\). The screen is placed at \(4 \mathrm{~m}\) from the slits. The minimum distance from the common central bright fringe on the screen at which the bright fringe of one interference pattern due to one wavelength coincide with the bright fringe of the other is

1 \(2 \mathrm{~mm}\)
2 \(3 \mathrm{~mm}\)
3 \(1 \mathrm{~mm}\)
4 \(8 \mathrm{~mm}\)
WAVE OPTICS

283291 Young's double slit experiment is conducted with monochromatic light of wavelength 5000 \(\AA\). With slit separation of \(3 \mathrm{~mm}\) and observer at \(20 \mathrm{~cm}\) away from the slits. If \(1 \mathrm{~mm}\) transparent plate is placed in front of one of the slits. The fringes shift by \(6 \mathrm{~mm}\). The refractive index of the transparent plate is

1 1.08
2 1.09
3 1.1
4 1.2
WAVE OPTICS

283292 When monochromatic light of wavelength 600 \(\mathrm{nm}\) is used in Young's double slit experiment, the fifth order bright fringe is formed at \(6 \mathrm{~mm}\) from the central bright fringe on the screen. If the experiment is conducted with light of wavelength \(400 \mathrm{~nm}\) from the central bright fringe, the third order bright fringe will be located at

1 \(1.6 \mathrm{~mm}\)
2 \(2 \mathrm{~mm}\)
3 \(2.4 \mathrm{~mm}\)
4 \(3 \mathrm{~mm}\)
WAVE OPTICS

283289 In a Young's double slit experiment, a set of parallel slits with a separation of \(0.1 \mathrm{~mm}\) is illuminated by light having a wavelength of 620 \(\mathrm{nm}\). The interference pattern is observed on a screen \(4 \mathrm{~m}\) from the slits. The difference in the path lengths of the light waves from each of the slits to the location of \(4^{\text {th }}\) (fourth) order bright fringe on the screen is

1 \(2.48 \mu \mathrm{m}\)
2 \(1.24 \mu \mathrm{m}\)
3 \(1.24 \mu \mathrm{m}\)
4 0
WAVE OPTICS

283290 In Young's double slit experiment, the slits are \(3 \mathrm{~mm}\) apart and are illuminated by light of two wavelengths \(3750 \stackrel{\mathbf{A}}{\mathbf{A}}\) and \(7500 \stackrel{\mathbf{A}}{\mathbf{A}}\). The screen is placed at \(4 \mathrm{~m}\) from the slits. The minimum distance from the common central bright fringe on the screen at which the bright fringe of one interference pattern due to one wavelength coincide with the bright fringe of the other is

1 \(2 \mathrm{~mm}\)
2 \(3 \mathrm{~mm}\)
3 \(1 \mathrm{~mm}\)
4 \(8 \mathrm{~mm}\)
WAVE OPTICS

283291 Young's double slit experiment is conducted with monochromatic light of wavelength 5000 \(\AA\). With slit separation of \(3 \mathrm{~mm}\) and observer at \(20 \mathrm{~cm}\) away from the slits. If \(1 \mathrm{~mm}\) transparent plate is placed in front of one of the slits. The fringes shift by \(6 \mathrm{~mm}\). The refractive index of the transparent plate is

1 1.08
2 1.09
3 1.1
4 1.2
WAVE OPTICS

283292 When monochromatic light of wavelength 600 \(\mathrm{nm}\) is used in Young's double slit experiment, the fifth order bright fringe is formed at \(6 \mathrm{~mm}\) from the central bright fringe on the screen. If the experiment is conducted with light of wavelength \(400 \mathrm{~nm}\) from the central bright fringe, the third order bright fringe will be located at

1 \(1.6 \mathrm{~mm}\)
2 \(2 \mathrm{~mm}\)
3 \(2.4 \mathrm{~mm}\)
4 \(3 \mathrm{~mm}\)