particles A and B are released from the same height at an interval of 2 S. After some time t the distance between A and B is 100m. Caleulate time t.

Given graph shows relation between position (X)→ time (t) Find the correct graph of velocity→ time

Here are displacement → time graphs of particle A and B .if V_A and V_B are velocities of the particles respectively, then  =……

Given graph shows relation between position and time. Find correct graph of acceleration → time

Of the following species, the one having planar structure is

Strongest bond is formed by the head on overlapping of :

Molecule which contains only sigma bonds in it is

Dipolemoment is not zero for

Which of the following bond has the most polar character

Covalent nature of a compound increases with

Melting point is very high for

The number of ways can 7 boys be seated at a round table so that 2 particular boys are separated is :

When n distinct objects are arranged in n places, then the total number of ways possible are n!. But, when n objects are to arranged in n places on a circular table, there are (n−1)!ways.

Least ionic compound among the following is

Stability of ionic compound is influenced by

The electronegativities of F,Cl,Br and I are 4.0,3.0,2.8,2.5 respectively. The hydrogen halide with a high percentage of ionic character is

The eccentricity of the hyperbola with asymptotes 3x + 4y = 2 and 4x – 3y = 2 is