CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 273  276 of 463
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 463 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 300.00 or
Question number: 273
» Electromagnetic Theory » Reflection and Refraction
Appeared in Year: 2014
Question
A beam of light of frequency is reflected from a dielectric – metal interface at normal incidence. The refractive index of the dielectric medium is and that of the metal is . If the beam is polarized parallel to the interface, then the phase change experienced by the light upon reflection is – (June – 2014)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 274
» Nuclear and Particle Physics » Binding Energy
Appeared in Year: 2013
Question
The binding energy of a light nucleus (Z, A) in MeV is given by the approximate formula, where is the neutron number. The value of Z of the most stable isobar for a given A is – (June)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 275
» Classical Mechanics » Generalized Coordinates
Appeared in Year: 2013
Question
The numbers of degrees of freedom of a rigid body in d space – dimension is – (June)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  6 

Question number: 276
» Electromagnetic Theory » Electrostatics: Gauss's Law and Its Applications
Appeared in Year: 2013
Question
Let four point charges be placed at the vertices of a square of side . Let another point charge be placed at the centre of the square (see the figure)
Let be the electrostatic potential at a point P at a distance from the centre of the square. Then is – (December – 2013)
Choices
Choice (4)  Response  

a. 


b. 


c.  1 

d. 

