AIIMS (All India Institute of Medical Sciences) Physics: Questions 336  340 of 500
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Question number: 336
» Work, Energy and Power » WorkEnergy Theorem
Question
A bullet when fired at a target with a velocity of , penetrates 4.5 meter into it. If the bullet is fired with the same velocity at a similar target with a thickness 0.5 meter, then it will emerge from it with a velocity of –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  All of the above 

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Question number: 337
» Rotational Motion » Concepts of Rotational Motion
Question
A particle moves on a circle of radius such that the distance covered on the circle varies with time according to the law, . What is the total acceleration of the particle at .
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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Question number: 338
» Properties of Solids & Liquids » Elastic Behavior
Question
Consider a long uniform steel wire has a radius of 1.5 mm. If the speed of the transverse wave on it equal to , than the tension in the wire is – (The density of steel is )
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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Question number: 339
» Oscillations and Waves » Standing Waves in Strings and Organ Pipes
Question
If vibrations of a string are to be increased to a factor of six, then tension in the string must be made –
Choices
Choice (4)  Response  

a.  3 times 

b.  9 times 

c.  36 times 

d.  6 times 

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Question number: 340
» Kinematics » Uniform and NonUniform Motion
Question
When a ball is thrown up vertically with velocity V_{0}, it reaches a maximum height of ‘h’. If one wishes to half the maximum height then the ball should be thrown with velocity 
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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