The probability density plots of 1s and 2s orbitals diagrams are given below :

  

The density of dots in a region represents the probability density of finding electrons in the region.

On the basis of the above diagram which of the following statements is incorrect?

1.	1s and 2s orbitals are spherical in shape
2.	The probability of finding the electron is maximum near the nucleus
3.	The probability of finding the electron at a given distance is equal in all directions
4.	The probability density of electrons for 2s orbital decreases uniformly as the distance from the nucleus increases

Which of the following statement is not correct about the characteristics of cathode rays?

Which of the following statements about the electron is incorrect?

Correct statement about the properties of the atom explained by the Thomson
model of an atom is:

What property identifies two atoms as isobars?

The number of radial nodes for 3p orbital is ______.

1. 3

2. 4

3. 2

4. 1

The number of angular nodes for 4d orbital is :

1. 4

2. 3

3. 2

4. 1

Which of the following is responsible to rule out the existence of definite paths or trajectories of electrons?

1. Pauli's exclusion principle

2. Heisenberg's uncertainty principle

3. Hund's rule of maximum multiplicity

4. Aufbau principle

Total number of orbitals associated with third shell will be _____.

1.  2

2.  4

3.  9

4.  3

Orbital angular momentum depends on _______.

1.  l

2.  n and l

3.  n and ${\mathrm{m}}_{\mathrm{l}}$

4.  ${\mathrm{m}}_{\mathrm{l}}$ and ${\mathrm{m}}_{\mathrm{s}}$