AIIMS (All India Institute of Medical Sciences) Physics: Questions 250  255 of 500
Access detailed explanations (illustrated with images and videos) to 500 questions. Access all new questions tracking exam pattern and syllabus changes. View the complete topicwise distribution of questions. Unlimited Access for Unlimited Time!
View Sample Explanation or View Features.
Rs. 350.00 or
How to register?
Question number: 250
» Properties of Solids & Liquids » Pressure Due to a Fluid Column
Question
The pressure required to reduce the volume of a rubber ball by is –
.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 251
» Kinematics » Relative Velocity
Question
A bike can be stopped by brakes after at least 10 m, when it moving with a speed of . If the same bike is moving with , the minimum stopping distance is –
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 252
» Rotational Motion » Concepts of Rotational Motion
Question
If the equation for the displacement of a particle moving on a circular path is given by , where is in radians and t in seconds, then the angular velocity of the particle after 3 s from its start is –
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 253
» Magnetic Effects of Current and Magnetism » Para, Dia and FerroMagnetic Substances
Question
Magnetic permeability is minimum for –
Choices
Choice (4)  Response  

a.  Diamagnetic substance  
b.  Ferromagnetic substance  
c.  Paramagnetic substance  
d.  Question does not provide sufficient data or is vague 
Question number: 254
» Magnetic Effects of Current and Magnetism » Bar Magnet
Question
Force between two identical bar magnets whose centers are meter apart is 5.4 N when their axes are in same line. If separation is increased to , the force between them is reduced to:
Choices
Choice (4)  Response  

a.  1.2 N  
b.  0.6 N  
c.  0.3 N  
d.  2.4 N 
Question number: 255
» Atoms and Nuclei » Radioactive Decay Law
Question
A radioactive material has a half – life of 8 days. What fraction of the material would remain after 48 days –
Choices
Choice (4)  Response  

a.  0.0156  
b.  0.0625  
c.  0.156  
d.  0.625 