NEET (NTA)National Eligibility cum Entrance Test (Medical) Physics: Questions 1412  1416 of 2320
Access detailed explanations (illustrated with images and videos) to 2320 questions. Access all new questions we will add tracking exampattern and syllabus changes. Unlimited Access for Unlimited Time! View Sample Explanation or View Features.
Rs. 600.00 or
How to register?
Question number: 1412
» Properties of Solids & Liquids » Young's Modulus
Question
For a given material, the Young’s modulus is 2.4 times that of rigidity modulus. Its Poisson’s ratio is
Choices
Choice (4)  Response  

a.  1.2  
b.  0.2  
c.  2  
d.  1.02 
Question number: 1413
» Wave Optics » Huygens' Principle
Question
Assertion (Ꭺ)
No interference pattern is detected when two coherent sources are infinitely close to each other.
Reason (Ꭱ)
The fringe width is directly proportional to the distance between the two slits.
Choices
Choice (4)  Response  

a.  Both Ꭺ and Ꭱ are false  
b.  Ꭺ is false but Ꭱ is true  
c.  Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ  
d.  Ꭺ is true but Ꭱ is false 
Question number: 1414
» Dual Nature of Matter and Radiation » Einstein's Photoelectric Equation
Question
Assertion (Ꭺ)
The deBroglie wavelength of a molecule varies inversely as the square root of temperature.
Reason (Ꭱ)
The root mean square velocity of the molecule is proportional to square root of absolute temperature.
Choices
Choice (4)  Response  

a.  Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ  
b.  Ꭺ is true but Ꭱ is false  
c.  Both Ꭺ and Ꭱ are false  
d.  Ꭺ is false but Ꭱ is true 
Question number: 1415
» 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: 1416
» Atoms and Nuclei » Energy Levels
Question
The wavelength of radiation emitted is λ _{0} when an electron jumps from the third to the second orbit of hydrogen atom. For the electron jump from the fourth to the second orbit of the hydrogen atom, the wavelength of radiation emitted will be,
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
