AIIMS (All India Institute of Medical Sciences) Physics: Questions 302  306 of 500
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Question number: 302
» Communication System » Sky and Space Wave Propagation
Question
For sky wave propagation of a 18 MHz signal, what should be the minimum electron density in ionosphere –
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Choice (4)  Response  

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d. 


Question number: 303
» Work, Energy and Power » WorkEnergy Theorem
Question
A bullet loses of its velocity when it passes through a plank. Find the maximum number of planks through which it can pass.
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Choice (4)  Response  

a.  10 

b.  5 

c.  3 

d.  9 

Question number: 304
» Kinematics » Relative Velocity
Question
A boy standing on a long rail road car throws a ball up (straight) with a velocity. The car is moving on the horizontal road with acceleration 3, How far behind the boy will the ball fall?
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Choice (4)  Response  

a.  12m 

b.  8m 

c. 


d.  48 m 

Question number: 305
» Kinematics » Motion in a Straight Line
Question
A body is thrown horizontally with a velocity from the top of a tower of height h. It strikes the level ground through the foot of the tower at a distance from the tower. The value of x is
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Question number: 306
Question
In below figure between two rigid walls P and Q, a block of mass is moving with constant velocity , towards a spring of spring constant . The block is moving from P and strikes at the end R of the spring at distance . If the collision between the block and wall P is perfectly elastic, the time period T (in seconds) of the motion of the block will be –
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Choice (4)  Response  

a. 


b. 


c. 


d. 

