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An electron (mass m) with an initial velocity v = vo i (vo>0) is in an electric field E = -Eoi (Eo = constant >0). Its de-Broglie wavelength at time t is given by
13
Sep
An electron (mass m) with an initial velocity v = vo i (vo>0) is in an electric field E = -Eoi (Eo = constant >0). Its de-Broglie wavelength at time t is given by An electron (mass m) with an initial velocity v = vo i (vo>0) is in an electric field E = -Eoi [...]
If white light of range 400 – 700 nm has replaced 600 nm light, one of the wave lengths of light that forms maxima exactly at point O will be
13
Sep
If white light of range 400 – 700 nm has replaced 600 nm light, one of the wave lengths of light that forms maxima exactly at point O will be If white light of range 400 - 700 nm has replaced 600 nm light one of the wave lengths of light that forms maxima exactly [...]
Find the light intensity of point O relative to maximum fringe intensity.
13
Sep
Find the light intensity of point O relative to maximum fringe intensity. Find the light intensity of point O relative to maximum fringe intensity. September 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
In YDSE’s experiment performed in a medium of refractive index (4/3), a light of 60 nm wavelength is falling ono the slits having 0.45 mm separation.t he lower slit S2 is covered by a thin glass sheet of thickness 10.4μm and refractive index 1.5 the interference pattern is observed on a screen palced 1.5m from the slits as shown in the figure. ignore dispersion. Find the location of central maxima on y-axis.
13
Sep
In YDSE’s experiment performed in a medium of refractive index (4/3), a light of 60 nm wavelength is falling ono the slits having 0.45 mm separation.t he lower slit S2 is covered by a thin glass sheet of thickness 10.4μm and refractive index 1.5 the interference pattern is observed on a screen palced 1.5m from [...]
What is the percentage intensity of the reflected light to the intensity of reflected light to the intensity of incident light?
13
Sep
What is the percentage intensity of the reflected light to the intensity of reflected light to the intensity of incident light? What is the percentage intensity of the reflected light to the intensity of reflected light to the intensity of incident light? September 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
A point sources S emitting light of wavelength 600nm is placed at a very small height h above the flat reflecting surface AB (see figure).The intensity of the reflected light is36% of the intensity.interference firnges are observed on a screen placed parallel to the reflecting surface a very large distance D from it. (A)What is the shape of the interference fringes on the screen?
13
Sep
A point sources S emitting light of wavelength 600nm is placed at a very small height h above the flat reflecting surface AB (see figure).The intensity of the reflected light is36% of the intensity.interference firnges are observed on a screen placed parallel to the reflecting surface a very large distance D from it. (A)What is [...]
In young’s double experiment, two slits are illuminated with seperation between them as b. The screen is at a distance d ( >>b 0 from slits. At a point Pon the screen directly in front of one of the slits, certain wavelengths are missing. Match the options of the columns.
13
Sep
In young’s double experiment, two slits are illuminated with seperation between them as b. The screen is at a distance d ( >>b 0 from slits. At a point Pon the screen directly in front of one of the slits, certain wavelengths are missing. Match the options of the columns. certain wavelengths are missing. Match [...]
In Fresenl’s biprism ( mu = 1.5 0 experiment, the distance between source and biprism is 3 m and that between biprism and screen is 7 m and angle of prism is 1 degree. The fringe width with light of wave length 6000 A will be
13
Sep
In Fresenl’s biprism ( mu = 1.5 0 experiment, the distance between source and biprism is 3 m and that between biprism and screen is 7 m and angle of prism is 1 degree. The fringe width with light of wave length 6000 A will be In Fresenl's biprism ( mu = 1.5 0 experiment [...]
In a biprism experiment, by using light of wavelength 5000 A, 5 mm wide fringes are obtained on a screen 1.0 m away from the coherent sources. The seperation between the two coherent sources is
13
Sep
In a biprism experiment, by using light of wavelength 5000 A, 5 mm wide fringes are obtained on a screen 1.0 m away from the coherent sources. The seperation between the two coherent sources is 5 mm wide fringes are obtained on a screen 1.0 m away from the coherent sources. The seperation between the [...]
A light of wave length 5890 A falls normally on a thin air flim. The minimum thickness of the flim such that the flim appears dark in reflected light
13
Sep
A light of wave length 5890 A falls normally on a thin air flim. The minimum thickness of the flim such that the flim appears dark in reflected light A light of wave length 5890 A falls normally on a thin air flim. The minimum thickness of the flim such that the flim appears dark [...]