List of practice Questions

The total number of lone pairs in \(XeOF_4\) is

The correct polarity order among the following is?

Match the appropriate geometry on the right with each of the species on the left:

The major product P is

The major product formed in the following reaction is p

The basic sequential logic building block in which the output follows the data input as long as the ENABLE input is active, is

Race Around condition can be avoided in Digital logic circuits using?

The state of flip flop when $Q = 0$ and $Q' = 1$

Match the following:

What is the number of clock pulses required to completely load and then unload a 4-bit register?

Consider the transmission of data bits 110001011 over a link that uses Cyclic Redundancy Check (CRC) code for error detection. If the generator bit pattern is given to be 1001, which one of the following options shows the remainder bit pattern appended to the data bits before transmission?

Which one of the following CPU scheduling algorithms cannot be preemptive?

Which one of the following options is not a property of Boolean Algebra? (Note: $+$ is OR operation, $\cdot$ is AND operation, and $'$ is NOT operation.)

The set T represents various traversals over a binary tree. The set S represents the order of visiting nodes during a traversal. Which one of the following is the correct match from T to S?

The sum of all possible values of \( n \in \mathbb{N} \), so that the coefficients of \(x, x^2\) and \(x^3\) in the expansion of \((1+x^2)^2(1+x)^n\) are in arithmetic progression is :

Assertion (A): Leukoderma is the biological term for blood cancer.
Reason (R): An abnormal increase in the number of WBCs causes blood cancer.

A light wave described by E = 60[\(\sin(3 \times 10^{15})t + \sin(12 \times 10^{15})t\)] (in SI units) falls on a metal surface of work function 2.8 eV. The maximum kinetic energy of ejected photoelectron is (approximately)________ eV. (h=\(6.6 \times 10^{-34}\) J.s. and e=\(1.6 \times 10^{-19}\) C)

Let the line \( x = -1 \) divide the area of the region \[ \{(x,y): 1 + x^2 \le y \le 3 - x\} \] in the ratio \( m:n \), where \( \gcd(m,n)=1 \). Then \( m+n \) is equal to

If the product of two numbers is 2880 and their H.C.F. is 12, then the value of their L.C.M. is:

The dimensions of a window are 156 cm \(\times\) 216 cm. Arjun wants to put grill on the window creating complete squares of maximum size. Determine the side length of the square and hence find the number of squares formed.

Let the direction cosines of two lines satisfy the equations : \( 4l + m - n = 0 \) and \( 2mn + 5nl + 3lm = 0 \). Then the cosine of the acute angle between these lines is :

Which of the following graphs between pressure 'p' versus volume 'V' represents the maximum work done?

From the figure given below, the refractive index of medium B with respect to medium A (\(_{A}\mu_{B}\)) is:

The moment of inertia of a square loop made of four uniform solid cylinders, each having radius R and length L (\(R \le L\)) about an axis passing through the mid points of opposite sides, is (Take the mass of the entire loop as M) :