Physics-
General
Easy
Question
For a convex lens, if real image is formed the graph between (u + v) andu or v is as follows




The correct answer is: 
Related Questions to study
physics-
A ray OP of monochromatic light is incident on the face AB of prism ABCD near vertex B at an incident angle of 600 (see figure) If the refractive index of the material of the prism is
, which of the following is (are) correct?

A ray OP of monochromatic light is incident on the face AB of prism ABCD near vertex B at an incident angle of 600 (see figure) If the refractive index of the material of the prism is
, which of the following is (are) correct?

physics-General
biology
Man and mouse cells are treated with red rhodamine and Green fluorescent dyes separately and then are made to fuse. The resultant cells when kept at 37ºC, the distribution of dye on the surface of cell will be like–
Man and mouse cells are treated with red rhodamine and Green fluorescent dyes separately and then are made to fuse. The resultant cells when kept at 37ºC, the distribution of dye on the surface of cell will be like–
biologyGeneral
chemistry-
Which of the following statements is not correct?
Which of the following statements is not correct?
chemistry-General
maths-
It is obvious.
maths-General
It is obvious.
maths-
If
then adj A
If
then adj A
maths-General
maths-
Which of the following is not true
Every skew symmetric matrix of odd order is singular. So option (a) is incorrect.
Which of the following is not true
maths-General
Every skew symmetric matrix of odd order is singular. So option (a) is incorrect.
maths-
Which one of the following statements is true
If
, then order of
will be same to order of A. So it is a square matrix.
Which one of the following statements is true
maths-General
If
, then order of
will be same to order of A. So it is a square matrix.
maths-
The inverse of
is
Let



.
The inverse of
is
maths-General
Let



.
maths-
The inverse of matrix
is
The inverse of matrix
is
maths-General
chemistry-
respectively are
respectively are
chemistry-General
physics-
Light is incident normally in face AB of a prism as shown in figure A liquid of refractive index m is placed on face AC of the prism The prism is made of glass of refractive index 3/2 The limits of m for which total internal reflection takes place on face AC is

Light is incident normally in face AB of a prism as shown in figure A liquid of refractive index m is placed on face AC of the prism The prism is made of glass of refractive index 3/2 The limits of m for which total internal reflection takes place on face AC is

physics-General
physics-
An observer can see through a pin-hole the top end of a thin rod of height h, placed as shown in the figure The beaker height is 3h and its radius h When the beaker is filled with a liquid up to height 2h, he can see the lower end of the rod Then the refractive index of the liquid is

An observer can see through a pin-hole the top end of a thin rod of height h, placed as shown in the figure The beaker height is 3h and its radius h When the beaker is filled with a liquid up to height 2h, he can see the lower end of the rod Then the refractive index of the liquid is

physics-General
physics-
A rectangular glass slab ABCD of refractive index n1 is immersed in water of refractive index
A ray of light is incident a the surface AB of the slab as shown The maximum value of the angle of incidence amax, such that the ray comes out only from the other surface CD, is given by

A rectangular glass slab ABCD of refractive index n1 is immersed in water of refractive index
A ray of light is incident a the surface AB of the slab as shown The maximum value of the angle of incidence amax, such that the ray comes out only from the other surface CD, is given by

physics-General
physics-
A light ray traveling in glass medium is incident on glass-air interface at an angle of incidence q The reflected (R) and transmitted (T) intensitites, both as function of q , are plotted The correct sketch is
A light ray traveling in glass medium is incident on glass-air interface at an angle of incidence q The reflected (R) and transmitted (T) intensitites, both as function of q , are plotted The correct sketch is
physics-General
physics-
A point source S is placed at the bottom of different layers as shown in the figure The refractive index of bottom most layer is m0 The refractive index of any other upper layer is
ray of light with angle i slightly more than 30° starts from the source S Total internal reflection takes place at the upper surface of a layer having n equal to

A point source S is placed at the bottom of different layers as shown in the figure The refractive index of bottom most layer is m0 The refractive index of any other upper layer is
ray of light with angle i slightly more than 30° starts from the source S Total internal reflection takes place at the upper surface of a layer having n equal to

physics-General