Dual Nature of Matter and RadiationDeBroglie Relation (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 1  6 of 18
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2142 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 550.00 or
Question number: 1
» Dual Nature of Matter and Radiation » DeBroglie Relation
Question
One electron & one proton is accelerated by equal potential. Ratio of their deBroglie wavelengths is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 2
» Dual Nature of Matter and Radiation » DeBroglie Relation
Question
A photon and an electron have equal energy E. is proportional to
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  Not depend upon E 

Question number: 3
» Dual Nature of Matter and Radiation » DeBroglie Relation
Question
A radio station is transmitting waves of wavelength 300 m. If diffracting power of transmitter is 10 kW, then numbers of photons diffracted per second is
Choices
Choice (4)  Response  

a.  1.5 × 10 ^{35} 

b.  1.5 × 10 ^{33} 

c.  1.5 × 10 ^{31} 

d.  1.5 × 10 ^{29} 

Question number: 4
» Dual Nature of Matter and Radiation » DeBroglie Relation
Question
In photoelectric effect if intensity of light is doubled then maximum kinetic energy of photoelectrons will become
Choices
Choice (4)  Response  

a.  Four time 

b.  Half 

c.  No change 

d.  Double 

Question number: 5
» Dual Nature of Matter and Radiation » DeBroglie Relation
Question
From rest an electron is accelerated between two such points which has potential 20 & 40 volts respectively. Associated deBroglie wavelength of electron is
Choices
Choice (4)  Response  

a.  2.75 Å 

b.  0.75 Å 

c.  2.75 m 

d.  7.5 Å 

Question number: 6
» Dual Nature of Matter and Radiation » DeBroglie Relation
Question
Which of the following figure represents variation of particle momentum and the associated deBroglie wavelength?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
