Which of the following has the largest de-broglie wavelength, provided all have equal velocity? a)Proton b)Ammonia molecule c)electron d)CO2... View Article
Which of the following is least ionic (a) KCl (b) BaCl2 (c) AgCl (d) Cacl2 Reason: AgCl having least covalent character and Ag having least... View Article
In Mathematics, commutative law is one of the four laws of numbers. The other three laws are associative, distributive and identity. Let A and B... View Article
Below are few properties of matrix: 1. A square matrix contains the same number of rows and columns. 2. A square matrix is called diagonal: if... View Article
There are various ways to establish a quadratic equation in one unknown from a given word problem. Students must understand the problem first and... View Article
The vertex is the point (h, k) where the parabola crosses its axis of symmetry. Location of vertex depends upon the standard equation of the... View Article
Standard form of the equation can be written using vertex and focus. Let us understand the concept with the help of an example, Write the... View Article
Whether a parabola opens up or down depends on its equation. If the leading coefficient of a quadratic function is less than zero, the parabola... View Article
The base of the exponential functions must be positive. General equation of exponential function is f(x) = abx Here bx is always positive,... View Article
The sum of the logs is the log of a product. loga x + loga y = loga xy The difference of the logs is the log of a quotient loga x - loga y =... View Article
Let (h, k) be the center of an ellipse. h and k define the position of the ellipse, where "h" units to the left or right and "k" units up or down... View Article
1) 3/4 2) 1/2 3) 2/3 4) 1/3 Solution: Option (1) 3/4 The probability that A solves the problem, P(A) = ½ The probability that B solves the... View Article
