Physics-
General
Easy
Question
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
- 1
- 2
- 3
- None of these
The correct answer is: 2
Related Questions to study
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
physics-General
physics-
Two bodies A and B are moving towards a plane mirror with speeds VA and VB respectively as shown in fig. The speed of image of A respect to the body B is
Two bodies A and B are moving towards a plane mirror with speeds VA and VB respectively as shown in fig. The speed of image of A respect to the body B is
physics-General
physics-
A point object is moving with a speed v before an arrangement of two mirrors as shown in figure. The magnitude of velocity of image in mirror M1 with respected to image in mirror M2 is
A point object is moving with a speed v before an arrangement of two mirrors as shown in figure. The magnitude of velocity of image in mirror M1 with respected to image in mirror M2 is
physics-General
physics-
A point source of light ' S ' at a distance d from the screen A produces light intensity at the centre of the screen. If a completely reflecting mirror M is placed at a distance behind the source as shown in the figure, treating object and its image as inooherent with each other, find the intensity at the centre of the screen.
A point source of light ' S ' at a distance d from the screen A produces light intensity at the centre of the screen. If a completely reflecting mirror M is placed at a distance behind the source as shown in the figure, treating object and its image as inooherent with each other, find the intensity at the centre of the screen.
physics-General
physics-
A point object is kept in front of a plane mirror. The plane mirror is doing SHM of amplitude 2 cm. The plane mirror moves along the x-axis and x-axis is normal to the mirror. The amplitude of the mirror is such that the object is always in front of the mirror. The amplitude of SHM of the image is
A point object is kept in front of a plane mirror. The plane mirror is doing SHM of amplitude 2 cm. The plane mirror moves along the x-axis and x-axis is normal to the mirror. The amplitude of the mirror is such that the object is always in front of the mirror. The amplitude of SHM of the image is
physics-General
