Maths-
General
Easy
Question
The figure shows the graph of the parabola y = ax2 + bx + c then
- a > 0
- b < 0
- c > 0
- b2 – 4ac > 0
The correct answer is: b < 0
Related Questions to study
chemistry-
Which of the following set of quantum number is correct:
Which of the following set of quantum number is correct:
chemistry-General
chemistry-
Energy of electron moving in nth m-orbit is:
Energy of electron moving in nth m-orbit is:
chemistry-General
chemistry-
Which of these is represented by the configuration 
:
Which of these is represented by the configuration :
chemistry-General
chemistry-
Which rule is not followed by configuration
Which rule is not followed by configuration
chemistry-General
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A compound of vanadium has a magnetic moment 1.73 B. M. The electronic configuration of vanadium ion in the compound is -
A compound of vanadium has a magnetic moment 1.73 B. M. The electronic configuration of vanadium ion in the compound is -
chemistry-General
chemistry-
The following graph between 
probability density and distance from the nucleus represents -
The following graph between probability density and distance from the nucleus represents -
chemistry-General
chemistry-
In the following transition which statement is correct
In the following transition which statement is correct
chemistry-General
chemistry-
For H atom, the energy required for the removal electron from various sub-shells is given at under:
The order of the energies would be:
For H atom, the energy required for the removal electron from various sub-shells is given at under:
The order of the energies would be:
chemistry-General
chemistry-
The uncertainty in the position of an electron (mass 
) moving with a velocity of 
sec-1, accurate upto 0.011% will be
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chemistry-General
physics-
A block of mass M slides down a smooth inclined plane of height h through a slope distance s. The kinetic energy of the mass at the bottom will be
A block of mass M slides down a smooth inclined plane of height h through a slope distance s. The kinetic energy of the mass at the bottom will be
physics-General
physics-
A rod of mass M and length L is lying on a horizontal table. The work done in making it stand e one end will be
A rod of mass M and length L is lying on a horizontal table. The work done in making it stand e one end will be
physics-General
physics-
A particle starts with velocity u and moves with constant acceleration a what is the nature of the graph between the time (t) and the displacement (x).
A particle starts with velocity u and moves with constant acceleration a what is the nature of the graph between the time (t) and the displacement (x).
physics-General
Maths-
The positive integers are written in a triangular array as shown
The row in which the number 2005 will be, is
nth term of the given sequence should be less than or equal to 2005 since the number 2005 can be anywhere in the whole row but atleast at the 1st position.
The positive integers are written in a triangular array as shown
The row in which the number 2005 will be, is
Maths-General
nth term of the given sequence should be less than or equal to 2005 since the number 2005 can be anywhere in the whole row but atleast at the 1st position.
Maths-
P is a point inside the triangle ABC. Lines are drawn through P parallel to the sides of the triangle. The areas of the three resulting triangles with a vertex at P are 4, 9 and 49, then the area of ABC is
ratio of sides of similar triangles = square root of the ratio of areas of the triangles. the converse is also true.
P is a point inside the triangle ABC. Lines are drawn through P parallel to the sides of the triangle. The areas of the three resulting triangles with a vertex at P are 4, 9 and 49, then the area of ABC is
Maths-General
ratio of sides of similar triangles = square root of the ratio of areas of the triangles. the converse is also true.
Maths-
ABC is an isosceles right angled triangle with AB = BC = 1. If P is any point on BC, then min {max{(area APQ), (area PQBR), area PRC)}} is
the minimum function gives us the minimum of the values passed to it . similarly, the max or maximum function returns the maximum of the values passed to it.
ABC is an isosceles right angled triangle with AB = BC = 1. If P is any point on BC, then min {max{(area APQ), (area PQBR), area PRC)}} is
Maths-General
the minimum function gives us the minimum of the values passed to it . similarly, the max or maximum function returns the maximum of the values passed to it.
