Home
Class 11
CHEMISTRY
It is not possible to determine precisel...

It is not possible to determine precisely both the position and the momentum or velocity) of a small moving particle (e.g. electron , proton, etc)
The above statements is known as :

A

de-Broglie principle

B

Pauli.s exclusion principle

C

Heisenberg.s uncertainty principle

D

Aufbau principle

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE

    AAKASH SERIES|Exercise Level - II (Type-I) (Lecture Sheet - 3 (Section -C : Matching/Straight objective type questions))|2 Videos

  • ATOMIC STRUCTURE

    AAKASH SERIES|Exercise Level - II (Type-I) (Practice Sheet - 3 (Section-A : More than one correct answer type questions))|5 Videos

  • ATOMIC STRUCTURE

    AAKASH SERIES|Exercise Level - II (Type-I) (Lecture Sheet - 3 (Section-A : More than one correct answer type questions))|4 Videos

  • AROMATIC HYDROCARBONS

    AAKASH SERIES|Exercise OBJECTIVE EXERCIES - 3 (RECENT AIPMT/NEET QUESTIONS)|10 Videos

  • CHEMICAL BONDING

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE -3 (RECENT AIPMT/NEET QUESTIONS )|39 Videos

Similar Questions

Explore conceptually related problems

It is not possible to determine precisely both the position and the momentum or velocity) of a small moving particle (e.g. electron , proton, etc) The uncertainity in position and velocity of a particle are 10^(-10)m and 5.27 xx 10^(-24) ms^(-1) respectively, Calculate the mass of the particle. (h = 6.625 xx 10^(-34)J-s)

It is not possible to determine precisely both the position and the momentum or velocity) of a small moving particle (e.g. electron , proton, etc) Calculate the uncertainity in velocity of a cricket ball of mass 150 g if the uncertainity in its position is of the order of 1 Å (h = 6.6 xx 10^(-34) kgm^(2)s^(-1))

It is not possible to measure the atomic radius precisely since the electron cloud surrounding the atom doesnot have sharp boundary. One practical approach to estimate the size of an atom of a non-metallic element is to measure the distance between two atoms when they are bound together by a single bond in a covalent molecule and then dividing by two. For metals we define the term "metallic radius" which is taken as half the internuclear distance separating the metal cores in the metallic crystal. The vander Waal's radius represents the overall size of the atoms which includes its valence shell in a nonbonded situation. It is the half of the distance between two similar atoms in separate molecules in a solid. The atomic radius decreases across a period and increases down the group. Same trends are observed in case of ionic radius. Ionic radius of the species having same number of electrons depends on the number of protons in their nuclei. Which of the following statement is correct?