Physics-
General
Easy
Question
Mosley measured the frequency (f) of the characteristic X-rays from many metals of different atomic number (Z) and represented his results by a relation known as Mosley's law. This law is (a, b are constants)
The correct answer is:
Mosley's law is
Related Questions to study
Physics-
X-rays which can penetrate through longer distances in substance are called
X-rays which can penetrate through longer distances in substance are called
Physics-General
Physics-
X-rays are known to be electromagnetic radiations. Therefore the X-ray photon has
X-rays are known to be electromagnetic radiations. Therefore the X-ray photon has
Physics-General
Physics-
When the accelerating voltage applied on the electrons increased beyond a critical value
When the accelerating voltage applied on the electrons increased beyond a critical value
Physics-General
Physics-
X-rays are not used for radar purpose because
X-rays are not used for radar purpose because
Physics-General
Physics-
X-rays were discovered by
X-rays were discovered by
Physics-General
Physics-
In radio theraphy, X-rays are used to
In radio theraphy, X-rays are used to
Physics-General
Physics-
The light rays having photons of energy 1.8 eV are falling on a metal surface having a work function 1.2 eV. What is the stopping potential to be applied to stop the emitting electrons
The light rays having photons of energy 1.8 eV are falling on a metal surface having a work function 1.2 eV. What is the stopping potential to be applied to stop the emitting electrons
Physics-General
Physics-
The velocity of photon is proportional to (where n is frequency)
The velocity of photon is proportional to (where n is frequency)
Physics-General
Physics-
Consider the two following statements A and B and identify the correct choice given in the answers;
A) In photovlotaic cells the photoelectric current produced is not proportional to the, intensity of incident light.
B) In gas filled photoemissive cells, the velocity of photoelectrons depends on the wavelength of the incident radiation.
Consider the two following statements A and B and identify the correct choice given in the answers;
A) In photovlotaic cells the photoelectric current produced is not proportional to the, intensity of incident light.
B) In gas filled photoemissive cells, the velocity of photoelectrons depends on the wavelength of the incident radiation.
Physics-General
Maths-
If the function is continuous at x= then k equals
If the function is continuous at x= then k equals
Maths-General
Maths-
The function has
The function has
Maths-General
Chemistry-
In the, following compounds, the order of basicity is :
I)
II)
III)
IV)
In the, following compounds, the order of basicity is :
I)
II)
III)
IV)
Chemistry-General
Chemistry-
Arrange the following carbocations in decreasing order of stability:
I)
II)
III)
IV)
Arrange the following carbocations in decreasing order of stability:
I)
II)
III)
IV)
Chemistry-General
Maths-
If and where exists, then is continuous on
If and where exists, then is continuous on
Maths-General
Maths-
The value of f (0) so that the function is continuous at is
For such questions, we should know formula for different limits.
The value of f (0) so that the function is continuous at is
Maths-General
For such questions, we should know formula for different limits.