Chemistry-
General
Easy
Question
The ionization potential hydrogen atom is . The energy required to remove an electron in the state of the hydrogen atom is
The correct answer is:
Related Questions to study
Chemistry-
In nuclear reaction, The mass loss is nearly 0.02 amu. Hence, the energy released (in units of million kcal/mol) in the process is approximately
In nuclear reaction, The mass loss is nearly 0.02 amu. Hence, the energy released (in units of million kcal/mol) in the process is approximately
Chemistry-General
Chemistry-
There are of and of in a rock. If of is age of the rock is
There are of and of in a rock. If of is age of the rock is
Chemistry-General
Maths-
The latus-rectum of the hyperbola , is
The latus-rectum of the hyperbola , is
Maths-General
Maths-
Let and . If is a vector such that =and the angle between and is 300, then find the value of.
Let and . If is a vector such that =and the angle between and is 300, then find the value of.
Maths-General
Maths-
The equation of the line passing through the point (1, -2, 3) and parallel to the line x – y + 2z = 5 and 3x + y + z = 6 is
The equation of the line passing through the point (1, -2, 3) and parallel to the line x – y + 2z = 5 and 3x + y + z = 6 is
Maths-General
Maths-
If (1 + x + x2)n = a0 + a1x + a2x2 + ………+a2nx2n, then the value of the determinant is always
If (1 + x + x2)n = a0 + a1x + a2x2 + ………+a2nx2n, then the value of the determinant is always
Maths-General
Maths-
India play two matches each with West Indies and Australia .In any match the probabilities of India getting points 0, 1 and 2 are 0.45, 0.05 and 0.50 respectively. Assuming that the outcomes are independent, the probability of India getting at least 7 points is
India play two matches each with West Indies and Australia .In any match the probabilities of India getting points 0, 1 and 2 are 0.45, 0.05 and 0.50 respectively. Assuming that the outcomes are independent, the probability of India getting at least 7 points is
Maths-General
Maths-
If the eccentricities of the hyperbolas and be e and , then
If the eccentricities of the hyperbolas and be e and , then
Maths-General
Maths-
The equation of the normal at the point (2, 3) on the ellipse , is
The equation of the normal at the point (2, 3) on the ellipse , is
Maths-General
Maths-
The locus of the point of intersection of mutually perpendicular tangent to the ellipse , is
The locus of the point of intersection of mutually perpendicular tangent to the ellipse , is
Maths-General
Maths-
The eccentricity of the curve represented by the equation is
The eccentricity of the curve represented by the equation is
Maths-General
Maths-
If a bar of given length moves with its extremities on two fixed straight lines at right angles, then the locus of any point on bar marked on the bar describes a/an
If a bar of given length moves with its extremities on two fixed straight lines at right angles, then the locus of any point on bar marked on the bar describes a/an
Maths-General
Maths-
If one of the roots is then the equation of lowest degree with rational coefficients is
If one of the roots is then the equation of lowest degree with rational coefficients is
Maths-General
Maths-
A running track of 440 ft. is to be laid out enclosing a foot ball field, the shape of which is a rectangle with a semi – circle at each end. If the area of the rectangular portion is maximum, the lengths of the sides are
A running track of 440 ft. is to be laid out enclosing a foot ball field, the shape of which is a rectangle with a semi – circle at each end. If the area of the rectangular portion is maximum, the lengths of the sides are
Maths-General
Maths-
Assuming that stiffness of a beam of rectangular cross – section varies as the breadth and as the cube of the depth, for the stiffest beam which can be cut out of a circular beam of radius ‘r’, breadth must be equal to
Assuming that stiffness of a beam of rectangular cross – section varies as the breadth and as the cube of the depth, for the stiffest beam which can be cut out of a circular beam of radius ‘r’, breadth must be equal to
Maths-General