CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 126  129 of 463
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Question number: 126
» Classical Mechanics » Special Theory of Relativity » Relativistic Kinematics
Appeared in Year: 2012
Question
A horizontal circular platform rotates with a constant angular velocity directed vertically upwards. A person seated at the centre shoots a bullet of mass ‘m’ horizontally with speed ‘v’. The acceleration of the bullet, in the reference frame of the shooter, is – (June)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 127
» Classical Mechanics » Noether's Theorem
Appeared in Year: 2012
Question
A binary star system consists of two stars S_{1} and S_{2}, with masses m and 2m respectively separated by a distance r. If both S_{1} and S_{2} individually follow circular orbits around the centre of mass with instantaneous speed and respectively, the speed ratio is – (December)
Choices
Choice (4)  Response  

a.  0 

b.  2 

c.  1 

d. 


Question number: 128
» Mathematical Methods of Physics » Partial Differential Equations
Appeared in Year: 2012
Question
The unit normal vector at the point,
On the surface of the ellipsoid
is – (December)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 129
» Thermodynamic and Statistical Physics » Blackbody Radiation
Appeared in Year: 2014
Question
Which of the graphs below gives the correct qualitative behavior of the energy density of black body radiation of wavelength at two temperature and? (June)
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
