AIIMS Physics: Questions 384  388 of 500
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Question number: 384
» Kinematics » Scalars and Vectors » Scalar and Vector Products
Question
The vector and are perpendicular to each other. The positive value of is:
Choices
Choice (4)  Response  

a.  3 

b.  5 

c.  1 

d.  0 

Question number: 385
Question
In the figure given below, the position – time graph of a particle of mass 0.5 kg is shown. The impulse at t = 3 sec is –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 386
» Gravitation » Gravitational Acceleration
Question
If the radius of a planet is R and density of same planet is , another planet having radius and density and respectively; then the ratio of accelerations due to gravity of these both planet is –
Choices
Choice (4)  Response  

a. 


b. 


c.  4 

d.  6 

Question number: 387
» Kinematics » Motion in a Straight Line
Question
How far will a body free – fall in 2 second if released from rest?
Choices
Choice (4)  Response  

a.  0.0 m 

b.  4.9 m 

c.  9.8 m 

d.  19.6 m 

Question number: 388
» Properties of Solids & Liquids » Surface Energy and Surface Tension
Question
A solid sphere of diameter D and density has a spherical cavity of diameter inside it. If it just floats completely immersed in a liquid of density, then the ratio is –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

