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A long rectangular slab of transparent medium of thickness 'd' placed a table with its length parallel to the x-axis and width parallel to the y-axis. A ray of light travelling in air makes a near normal incidence on the slab as shown. Taking the point of incidence as origin (0,0,0). The refraction index of the medium varies as 
, where 
and 
are constants. The refractive index of airis 1
The x-coordinate of the point A where the ray intersects the upper surface of the slab air boundary is
A long rectangular slab of transparent medium of thickness 'd' placed a table with its length parallel to the x-axis and width parallel to the y-axis. A ray of light travelling in air makes a near normal incidence on the slab as shown. Taking the point of incidence as origin (0,0,0). The refraction index of the medium varies as , where and are constants. The refractive index of airis 1
The x-coordinate of the point A where the ray intersects the upper surface of the slab air boundary is
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physics-
In the diagram shown ray of light is incident an the first medium boundary at angle 30° the medium has refractive index 2 .
The second layer has refraction index 
A graph is given between deviation and refractive index ' 
'. The deviation is measured by cansidering the final emergent ray and the incident ray. Value of 
will be
In the diagram shown ray of light is incident an the first medium boundary at angle 30° the medium has refractive index 2 .
The second layer has refraction index A graph is given between deviation and refractive index ' '. The deviation is measured by cansidering the final emergent ray and the incident ray. Value of will be
physics-General
physics-
In the diagram shown ray of light is incident an the first medium boundary at angle 30° the medium has refractive index 2 .
The second layer has refraction index A graph is given between deviation and refractive index ' '. The deviation is measured by considering the final emergent ray and the incident ray.
Value of 
will be
In the diagram shown ray of light is incident an the first medium boundary at angle 30° the medium has refractive index 2 .
The second layer has refraction index A graph is given between deviation and refractive index ' '. The deviation is measured by considering the final emergent ray and the incident ray.
Value of will be
physics-General
physics-
In the diagram shown ray of light is incident an the first medium boundary at angle 30° the medium has refractive index 2 .
The second layer has refraction index A graph is given between deviation and refractive index 
. The deviation is measured by considering the final emergent ray and the incident ray.
Value will be
In the diagram shown ray of light is incident an the first medium boundary at angle 30° the medium has refractive index 2 .
The second layer has refraction index A graph is given between deviation and refractive index . The deviation is measured by considering the final emergent ray and the incident ray.
Value will be
physics-General
physics-
A point source S is placed midway between two converging mirrors having equal focal length f as shown in figure. Find the values of d for which only one image is formed.
A point source S is placed midway between two converging mirrors having equal focal length f as shown in figure. Find the values of d for which only one image is formed.
physics-General
physics-
A constant voltage at different frequencies is applied across a capacitance C as shown in the figure Which of the following graphs correctly depicts the variation of current with frequency :
A constant voltage at different frequencies is applied across a capacitance C as shown in the figure Which of the following graphs correctly depicts the variation of current with frequency :
physics-General
physics-
The figure shows variation of R, XL and XC with frequenc f in a series L, C, R circiut Then for what frequency point, the circiut is inductive
The figure shows variation of R, XL and XC with frequenc f in a series L, C, R circiut Then for what frequency point, the circiut is inductive
physics-General
physics-
In the series L-C-R circuit figure the voltmeter and ammeter readings are
In the series L-C-R circuit figure the voltmeter and ammeter readings are
physics-General
physics-
In the following circuit, the values of current will flowing in the circuit at f = 0 and 
respectively be
In the following circuit, the values of current will flowing in the circuit at f = 0 and respectively be
physics-General
physics-
The reading of voltmeter and ammeter in the following figure will respectively be
The reading of voltmeter and ammeter in the following figure will respectively be
physics-General
physics-
A U-shaped wire is placed before a concave mirror having radius of curvature 20 cm as shown in figure. Find the total length of the image.
A U-shaped wire is placed before a concave mirror having radius of curvature 20 cm as shown in figure. Find the total length of the image.
physics-General
physics-
A concave mirror has a focal length of 20 cm. Find the position or positions of an object for which the image-size is double of the object-size.
A concave mirror has a focal length of 20 cm. Find the position or positions of an object for which the image-size is double of the object-size.
physics-General
physics-
A concave mirror is placed on a horizontal table with its axis directed vertically upwards. Let obey the pole of the mirror and C its centre of curvature. A point abject is placed at C. It has a real image, also located at C. If the mirror is now filled with water, the image will be
A concave mirror is placed on a horizontal table with its axis directed vertically upwards. Let obey the pole of the mirror and C its centre of curvature. A point abject is placed at C. It has a real image, also located at C. If the mirror is now filled with water, the image will be
physics-General
physics-
When an object is at distances and from a mirror, a real image and a virtual image are formed respectively with same value of magnificatin. The focal length of the mirror has a value
When an object is at distances and from a mirror, a real image and a virtual image are formed respectively with same value of magnificatin. The focal length of the mirror has a value
physics-General
physics-
A convex mirror of focal length 10 cm is shown in the figure. A linear object AB=5cm is placed along the optic axis. Point A is at a distance of 25 cm from the pole of mirror. The length of image of 
is
A convex mirror of focal length 10 cm is shown in the figure. A linear object AB=5cm is placed along the optic axis. Point A is at a distance of 25 cm from the pole of mirror. The length of image of is
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