Coherent Sources of Light and interference of Light Constructive, Distractive
WAVE OPTICS

283330 In Young's double slit experiment, the intensity of light at a point on the screen where the path difference is \(\lambda=I\). The intensity of light at a point where the path difference becomes \(\lambda / 3\) is

1 \(\mathrm{I} / 4\)
2 \(\mathrm{I} / 3\)
3 \(\frac{\mathrm{I}}{2}\)
4 I
WAVE OPTICS

283331 In Young's double slit experiment, the two slits are illuminated by a light beam consisting of wavelengths \(4200 \AA\) and \(5040 \AA\). If the distance between the slits is \(2.4 \mathrm{~mm}\) and the distance between the slits and the screen is \(\mathbf{2 0 0}\) \(\mathrm{cm}\), the minimum distance from the central bright fringe to the point where the bright fringes due to both the wavelengths coincide is

1 \(0.7 \mathrm{~mm}\)
2 \(1.4 \mathrm{~mm}\)
3 \(2.1 \mathrm{~mm}\)
4 \(2.8 \mathrm{~mm}\)
WAVE OPTICS

283332 A Young's double slit experimental setup is immersed in water of refractive index 1.33. It has slit separation \(1 \mathrm{~mm}\) and the distance between slits and screen is \(1.33 \mathrm{~m}\). If the wavelength of incident light on slits is \(6300 \AA\), then the fringe width on the screen is

1 \(6.3 \mathrm{~mm}\)
2 \(0.63 \mathrm{~mm}\)
3 \(0.63 \mathrm{~m}\)
4 \(6.3 \mathrm{~m}\)
WAVE OPTICS

283333 In Young's double slit experiment, light of wavelength \(5900 \AA\) is used. When the slits are 2 \(\mathrm{mm}\) apart, the fringe width is \(1.2 \mathrm{~mm}\). If the slit separation is increased to one and half times the previous value, then the fringe width will be

1 \(0.9 \mathrm{~mm}\)
2 \(0.8 \mathrm{~mm}\)
3 \(1.8 \mathrm{~mm}\)
4 \(1.6 \mathrm{~mm}\)
WAVE OPTICS

283334 In Young's double slit experiment, the two slits are separated by \(0.5 \mathrm{~cm}\) and the screen is at \(0.5 \mathrm{~m}\) form the slits. If 20000 bright fringes are counted per meter on the screen, then the wavelength of light used is

1 \(5000 \AA\)
2 \(5890 \AA\)
3 \(6000 \AA\)
4 \(5460 \AA\)
WAVE OPTICS

283330 In Young's double slit experiment, the intensity of light at a point on the screen where the path difference is \(\lambda=I\). The intensity of light at a point where the path difference becomes \(\lambda / 3\) is

1 \(\mathrm{I} / 4\)
2 \(\mathrm{I} / 3\)
3 \(\frac{\mathrm{I}}{2}\)
4 I
WAVE OPTICS

283331 In Young's double slit experiment, the two slits are illuminated by a light beam consisting of wavelengths \(4200 \AA\) and \(5040 \AA\). If the distance between the slits is \(2.4 \mathrm{~mm}\) and the distance between the slits and the screen is \(\mathbf{2 0 0}\) \(\mathrm{cm}\), the minimum distance from the central bright fringe to the point where the bright fringes due to both the wavelengths coincide is

1 \(0.7 \mathrm{~mm}\)
2 \(1.4 \mathrm{~mm}\)
3 \(2.1 \mathrm{~mm}\)
4 \(2.8 \mathrm{~mm}\)
WAVE OPTICS

283332 A Young's double slit experimental setup is immersed in water of refractive index 1.33. It has slit separation \(1 \mathrm{~mm}\) and the distance between slits and screen is \(1.33 \mathrm{~m}\). If the wavelength of incident light on slits is \(6300 \AA\), then the fringe width on the screen is

1 \(6.3 \mathrm{~mm}\)
2 \(0.63 \mathrm{~mm}\)
3 \(0.63 \mathrm{~m}\)
4 \(6.3 \mathrm{~m}\)
WAVE OPTICS

283333 In Young's double slit experiment, light of wavelength \(5900 \AA\) is used. When the slits are 2 \(\mathrm{mm}\) apart, the fringe width is \(1.2 \mathrm{~mm}\). If the slit separation is increased to one and half times the previous value, then the fringe width will be

1 \(0.9 \mathrm{~mm}\)
2 \(0.8 \mathrm{~mm}\)
3 \(1.8 \mathrm{~mm}\)
4 \(1.6 \mathrm{~mm}\)
WAVE OPTICS

283334 In Young's double slit experiment, the two slits are separated by \(0.5 \mathrm{~cm}\) and the screen is at \(0.5 \mathrm{~m}\) form the slits. If 20000 bright fringes are counted per meter on the screen, then the wavelength of light used is

1 \(5000 \AA\)
2 \(5890 \AA\)
3 \(6000 \AA\)
4 \(5460 \AA\)
WAVE OPTICS

283330 In Young's double slit experiment, the intensity of light at a point on the screen where the path difference is \(\lambda=I\). The intensity of light at a point where the path difference becomes \(\lambda / 3\) is

1 \(\mathrm{I} / 4\)
2 \(\mathrm{I} / 3\)
3 \(\frac{\mathrm{I}}{2}\)
4 I
WAVE OPTICS

283331 In Young's double slit experiment, the two slits are illuminated by a light beam consisting of wavelengths \(4200 \AA\) and \(5040 \AA\). If the distance between the slits is \(2.4 \mathrm{~mm}\) and the distance between the slits and the screen is \(\mathbf{2 0 0}\) \(\mathrm{cm}\), the minimum distance from the central bright fringe to the point where the bright fringes due to both the wavelengths coincide is

1 \(0.7 \mathrm{~mm}\)
2 \(1.4 \mathrm{~mm}\)
3 \(2.1 \mathrm{~mm}\)
4 \(2.8 \mathrm{~mm}\)
WAVE OPTICS

283332 A Young's double slit experimental setup is immersed in water of refractive index 1.33. It has slit separation \(1 \mathrm{~mm}\) and the distance between slits and screen is \(1.33 \mathrm{~m}\). If the wavelength of incident light on slits is \(6300 \AA\), then the fringe width on the screen is

1 \(6.3 \mathrm{~mm}\)
2 \(0.63 \mathrm{~mm}\)
3 \(0.63 \mathrm{~m}\)
4 \(6.3 \mathrm{~m}\)
WAVE OPTICS

283333 In Young's double slit experiment, light of wavelength \(5900 \AA\) is used. When the slits are 2 \(\mathrm{mm}\) apart, the fringe width is \(1.2 \mathrm{~mm}\). If the slit separation is increased to one and half times the previous value, then the fringe width will be

1 \(0.9 \mathrm{~mm}\)
2 \(0.8 \mathrm{~mm}\)
3 \(1.8 \mathrm{~mm}\)
4 \(1.6 \mathrm{~mm}\)
WAVE OPTICS

283334 In Young's double slit experiment, the two slits are separated by \(0.5 \mathrm{~cm}\) and the screen is at \(0.5 \mathrm{~m}\) form the slits. If 20000 bright fringes are counted per meter on the screen, then the wavelength of light used is

1 \(5000 \AA\)
2 \(5890 \AA\)
3 \(6000 \AA\)
4 \(5460 \AA\)
WAVE OPTICS

283330 In Young's double slit experiment, the intensity of light at a point on the screen where the path difference is \(\lambda=I\). The intensity of light at a point where the path difference becomes \(\lambda / 3\) is

1 \(\mathrm{I} / 4\)
2 \(\mathrm{I} / 3\)
3 \(\frac{\mathrm{I}}{2}\)
4 I
WAVE OPTICS

283331 In Young's double slit experiment, the two slits are illuminated by a light beam consisting of wavelengths \(4200 \AA\) and \(5040 \AA\). If the distance between the slits is \(2.4 \mathrm{~mm}\) and the distance between the slits and the screen is \(\mathbf{2 0 0}\) \(\mathrm{cm}\), the minimum distance from the central bright fringe to the point where the bright fringes due to both the wavelengths coincide is

1 \(0.7 \mathrm{~mm}\)
2 \(1.4 \mathrm{~mm}\)
3 \(2.1 \mathrm{~mm}\)
4 \(2.8 \mathrm{~mm}\)
WAVE OPTICS

283332 A Young's double slit experimental setup is immersed in water of refractive index 1.33. It has slit separation \(1 \mathrm{~mm}\) and the distance between slits and screen is \(1.33 \mathrm{~m}\). If the wavelength of incident light on slits is \(6300 \AA\), then the fringe width on the screen is

1 \(6.3 \mathrm{~mm}\)
2 \(0.63 \mathrm{~mm}\)
3 \(0.63 \mathrm{~m}\)
4 \(6.3 \mathrm{~m}\)
WAVE OPTICS

283333 In Young's double slit experiment, light of wavelength \(5900 \AA\) is used. When the slits are 2 \(\mathrm{mm}\) apart, the fringe width is \(1.2 \mathrm{~mm}\). If the slit separation is increased to one and half times the previous value, then the fringe width will be

1 \(0.9 \mathrm{~mm}\)
2 \(0.8 \mathrm{~mm}\)
3 \(1.8 \mathrm{~mm}\)
4 \(1.6 \mathrm{~mm}\)
WAVE OPTICS

283334 In Young's double slit experiment, the two slits are separated by \(0.5 \mathrm{~cm}\) and the screen is at \(0.5 \mathrm{~m}\) form the slits. If 20000 bright fringes are counted per meter on the screen, then the wavelength of light used is

1 \(5000 \AA\)
2 \(5890 \AA\)
3 \(6000 \AA\)
4 \(5460 \AA\)
WAVE OPTICS

283330 In Young's double slit experiment, the intensity of light at a point on the screen where the path difference is \(\lambda=I\). The intensity of light at a point where the path difference becomes \(\lambda / 3\) is

1 \(\mathrm{I} / 4\)
2 \(\mathrm{I} / 3\)
3 \(\frac{\mathrm{I}}{2}\)
4 I
WAVE OPTICS

283331 In Young's double slit experiment, the two slits are illuminated by a light beam consisting of wavelengths \(4200 \AA\) and \(5040 \AA\). If the distance between the slits is \(2.4 \mathrm{~mm}\) and the distance between the slits and the screen is \(\mathbf{2 0 0}\) \(\mathrm{cm}\), the minimum distance from the central bright fringe to the point where the bright fringes due to both the wavelengths coincide is

1 \(0.7 \mathrm{~mm}\)
2 \(1.4 \mathrm{~mm}\)
3 \(2.1 \mathrm{~mm}\)
4 \(2.8 \mathrm{~mm}\)
WAVE OPTICS

283332 A Young's double slit experimental setup is immersed in water of refractive index 1.33. It has slit separation \(1 \mathrm{~mm}\) and the distance between slits and screen is \(1.33 \mathrm{~m}\). If the wavelength of incident light on slits is \(6300 \AA\), then the fringe width on the screen is

1 \(6.3 \mathrm{~mm}\)
2 \(0.63 \mathrm{~mm}\)
3 \(0.63 \mathrm{~m}\)
4 \(6.3 \mathrm{~m}\)
WAVE OPTICS

283333 In Young's double slit experiment, light of wavelength \(5900 \AA\) is used. When the slits are 2 \(\mathrm{mm}\) apart, the fringe width is \(1.2 \mathrm{~mm}\). If the slit separation is increased to one and half times the previous value, then the fringe width will be

1 \(0.9 \mathrm{~mm}\)
2 \(0.8 \mathrm{~mm}\)
3 \(1.8 \mathrm{~mm}\)
4 \(1.6 \mathrm{~mm}\)
WAVE OPTICS

283334 In Young's double slit experiment, the two slits are separated by \(0.5 \mathrm{~cm}\) and the screen is at \(0.5 \mathrm{~m}\) form the slits. If 20000 bright fringes are counted per meter on the screen, then the wavelength of light used is

1 \(5000 \AA\)
2 \(5890 \AA\)
3 \(6000 \AA\)
4 \(5460 \AA\)