The Uncertainty Principle
Trending Questions
Why electron can not exist in the nucleus of an atom?
Uncertainty in the Position of an Electron (mass ) moving with a velocity of , Accurate up to will be:
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1472886/original_13.png)
The wavelength of the photon emitted by a hydrogen atom when an electron makes a transition from n = 2 to n = 1 state is:
194.8 nm
490.7 nm
913.3 nm
121.8 nm
State Heisenbergs Uncertainty Principle.
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1444912/original_4.png)
- πR2Ic
- 1.7πR2Ic
- 0.3πR2Ic
- 1.3πR2Ic
What do you mean by uncertainty?
- 2πr
- πr
- 12πr
- 14πr
The atomic number of gold is 79.
- 10−11 cm
- 10−16 cm
- 10−13 cm
- 10−19 cm
What is uncertain in the Uncertainty Principle?
- 24 kJ
- 240 J
- 12 kJ
- 48 kJ
- 15 keV
- 1.5 keV
- 150 keV
- 1.5 MeV
- 8×106 Hz
- 8×108 Hz
- 8×109 Hz
- 8×107 Hz
- 2.56 nm
- 1.24 nm
- 3.78 nm
- 0.45 nm
- 70 ∘A
- 0.7 ∘A
- 1.4 ∘A
- 14 ∘A
- 0.5
- 0.7
- 0.8
- 1.0
- 1.25×10−6N
- 2.50×10−6N
- 1.20×10−6N
- 3.0×10−6N
i) Radiation pressure is I/c if the wave is totally absorbed.
ii) Radiation pressure is I/c if the wave is totally reflected.
iii) Radiation pressure is 2I/c if the wave is totally reflected.
iv) Radiation pressure is in the range I/c<p<2I/c
Is Heisenberg Uncertainty Principle True
When was the Heisenberg uncertainty principle developed?
Who proposed the theory of the Feynman diagram?
- 1.1×10−20 kg m/s
- 2.2×10−20 kg m/s
- 4.4×10−20 kg m/s
- No lower limit
Is Heisenberg uncertainty principle wrong
- Position of electron can be found exactly if its momentum is known.
- Momentum of an electron can be found exactly if its position is known.
- The lowest energy of an atom can hold only one electron.
- Light has a dual nature- wave and photon.
- There is a limit to the accuracy of the measurement of subatomic particles.
State Heisenbergs uncertainty principle.
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1472886/original_13.png)
Is the Heisenberg Uncertainty Principle True?
What does Heisenbergs uncertainty principle imply about the behavior of an electron?
- 1.25×10−6 N
- 2.50×10−6 N
- 1.15×10−6 N
- 3.0×10−6 N
- 1.67×10−7 N/m2
- 1.67×10−5 N/m2
- 1.67×10−9 N/m2
- 1.67×10−2 N/m2