Dual Nature of Matter and RadiationDeBroglie Relation (NEET (NTA)National Eligibility cum Entrance Test (Medical) Physics): Questions 14  18 of 18
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Question number: 14
» Dual Nature of Matter and Radiation » DeBroglie Relation
Question
The deBroglie wavelength of an electron is 0.2 Å. Calculate the potential difference (approximate) required to retard it to rest
Choices
Choice (4)  Response  

a.  3.76 × 10 ^{3} V 

b.  3.76 × l0 ^{3} V 

c.  376.5 V 

d.  3.76 × 10 ^{3} eV 

Question number: 15
» Dual Nature of Matter and Radiation » DeBroglie Relation
Question
Slope of curve is
(Where, V _{0} = Stopping potential and ν = frequency)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 16
» Dual Nature of Matter and Radiation » DeBroglie Relation
Question
The ratio of wavelength of deuteron & proton accelerated by an equal potential is,
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 17
» Dual Nature of Matter and Radiation » DeBroglie Relation
Appeared in Year: 2016
Question
Electrons of mass with De – Broglie wavelength fall on the target in a X – ray tube. The cutoff wavelength of the emitted X – ray is:
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 18
» Dual Nature of Matter and Radiation » DeBroglie Relation
Appeared in Year: 2017
Question
The deBroglie wavelength of a neutron in thermal equilibrium with heavy water at a temperature (Kelvin) and mass , is –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

