List of practice Questions

The roots of a quadratic equation \(x^2-3x-10=0\) are
The distance between the points (2, 3) and (4, 1) is
In an A.P. if the first term is 4 and 9th term is 20 then 15th term is
The degree of a quadratic equation \(ax^2+bx+c=0, \ a≠0\) is
If \(α, β\) are the roots of a quadratic equation \(ax^2+bx+c=0,\ a≠0\) then \(α^2+β^2\)
The sum of \(10\) terms of A.P. \(:2,7,12,.........\) is
If the H.C.F. of any two numbers is equal to '1' then those numbers are called as
The number \(π\) is a
If A= {a, b, c, d} then number of subsets of A are
If the focal length of a spherical mirror is 10 cm, what is the value of radius of curvature?
If a convex lens is placed in water, it's focal length
Which of the following is the formula for magnification in case of spherical mirror?
Every lens has ____ focal points.
Parallel beam of light after passing through a convex lens pass through a point called
Mixing acid to water is
Four quantum numbers of valence electron of sodium
Colour of anhydrous \(CuSO_4\) is
Bleaching Powder is formed from
The total number of atomic orbitals in third shell of an atom
Which one of the following electromagnetic radiation has more frequency?
Order of energy of orbitals
The classification of elements which is based on atomic number is
Which of the following electronic configuration violating Hund's rule ?
The mode of nutrition in Paramoecium ____ .
The fluids secreted from seminal vesicles, prostate gland and Cowper's gland collectively called seminal plasma. The seminal plasma along with sperm is called _____ .