AIIMS (All India Institute of Medical Sciences) Physics: Questions 386  391 of 500
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 500 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 350.00 or
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. 


Question number: 389
» Oscillations and Waves » Longitudinal and Transverse Waves
Question
Find the magnitude of pressure amplitude in a sound of intensity. Density of air at STP .
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 390
» 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.  10 

d.  6 

Question number: 391
» Kinematics » Motion in a Plane
Question
A body dropped from a height with an initial speed zero, strikes the ground with a velocity. Another body of same mass is dropped from the same height ‘h’ with an initial speed . Find the final velocity of second body, with which it strikes the ground.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

