Physics-
General
Easy
Question
To make the central fringe at the centre O, a mica sheet of refractive index 1.5 is introduced. Choose the correct statements (s)-
- The thickness of sheet is
d infront of S1
- The thickness of sheet is
d infront of S1
- The thickness of sheet is
infront of S1
- The thickness of sheet is infront of S1
d infront of S1
d infront of S1
infront of S1
infront of S1
The correct answer is: The thickness of sheet is d infront of S1
Related Questions to study
physics-
Current in the main circuit shown is
Current in the main circuit shown is
physics-General
physics-
The figure below shows current in a part of electric circuit The current i is
The figure below shows current in a part of electric circuit The current i is
physics-General
physics-
The effective resistance between A and B in the given circuit is
The effective resistance between A and B in the given circuit is
physics-General
physics-
The effective resistance between A and B is 3 
then the value of R is
The effective resistance between A and B is 3 then the value of R is
physics-General
physics-
The effective resistance between A&B in the given circuit is
The effective resistance between A&B in the given circuit is
physics-General
physics-
The current 'i' in the circuit given aside is
The current 'i' in the circuit given aside is
physics-General
physics-
Three resistances each of 3 are connected as shown in fig The resultant resistance between A and F is
Three resistances each of 3 are connected as shown in fig The resultant resistance between A and F is
physics-General
chemistry-
Valence bond theory explains the magnetic behavior of coordination species Depending upon the magnetic behavior one can understand whether the inner d- orbitals or outer d- orbitals are being used in a particular hybrid station However, the colours of coordination species can he explained by the crystal filed theory.
Which of the following compounds is diamagnetic as well as coloured
Valence bond theory explains the magnetic behavior of coordination species Depending upon the magnetic behavior one can understand whether the inner d- orbitals or outer d- orbitals are being used in a particular hybrid station However, the colours of coordination species can he explained by the crystal filed theory.
Which of the following compounds is diamagnetic as well as coloured
chemistry-General
physics-
In a Young's double slit experiment, green light is incident on the two slits. The interference pattern is observed on a screen. Which of the following changes would cause the observed fringes to be more closely spaced ?
In a Young's double slit experiment, green light is incident on the two slits. The interference pattern is observed on a screen. Which of the following changes would cause the observed fringes to be more closely spaced ?
physics-General
physics-
In a Young's Double slit experiment, first maxima is observed at a fixed point P on the screen. Now the screen is continuously moved away from the plane of slits. The ratio of intensity at point P to the intensity at point O (centre of the screen)-
In a Young's Double slit experiment, first maxima is observed at a fixed point P on the screen. Now the screen is continuously moved away from the plane of slits. The ratio of intensity at point P to the intensity at point O (centre of the screen)-
physics-General
physics-
Figure shows plane waves refracted from air to water using Huygen's principle a,b,c,d,e are lengths on the diagram. The refractive index of water w.r.t air is the ratio.
Figure shows plane waves refracted from air to water using Huygen's principle a,b,c,d,e are lengths on the diagram. The refractive index of water w.r.t air is the ratio.
physics-General
physics-
A monochromatic light source of wavelength 
is placed at S. Three slits 
and 
are equidistant from the source S and the point P on the screen. 
and 
. If I be the intensity at P when only one slit is open, the intensity at P when all the three slits are open is–
A monochromatic light source of wavelength is placed at S. Three slits and are equidistant from the source S and the point P on the screen. and . If I be the intensity at P when only one slit is open, the intensity at P when all the three slits are open is–
physics-General
physics-
In the figure shown, a parallel beam of light is incident on the plane of the slits of Young's double slit experiment. Light incident on the slit, 
passes through a medium of variable refractive index 
(where 'X' is the distance from the plane of slits as shown), up to a distance '' before falling on . Rest of the space is filled with air. If at 'O' a minima is formed, then the minimum value of the positive constant a (in terms of l and wavelength '' in air) is:
In the figure shown, a parallel beam of light is incident on the plane of the slits of Young's double slit experiment. Light incident on the slit, passes through a medium of variable refractive index (where 'X' is the distance from the plane of slits as shown), up to a distance '' before falling on . Rest of the space is filled with air. If at 'O' a minima is formed, then the minimum value of the positive constant a (in terms of l and wavelength '' in air) is:
physics-General
physics-
and 
are plane mirrors and kept parallel to each other. At point O there will be a maxima for wavelength . Light from monochromatic source S of wavelength is not reaching directly on the screen. Then is : 
and are plane mirrors and kept parallel to each other. At point O there will be a maxima for wavelength . Light from monochromatic source S of wavelength is not reaching directly on the screen. Then is :
physics-General
physics-
In the figure shown in a YDSE, a parallel beam of light is incident on the slits from a medium of refractive index 
. The wavelength of light in this medium is 
. A transparent slab of thickness 't' and refractive index 
is put in front of one slit. The medium between the screen and the plane of the slits is 
. The phase difference between the light waves reaching point O (Symmetrical , relative to the slits) is :
In the figure shown in a YDSE, a parallel beam of light is incident on the slits from a medium of refractive index . The wavelength of light in this medium is . A transparent slab of thickness 't' and refractive index is put in front of one slit. The medium between the screen and the plane of the slits is . The phase difference between the light waves reaching point O (Symmetrical , relative to the slits) is :
physics-General
