AIIMS (All India Institute of Medical Sciences) Physics: Questions 283  287 of 500
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Question number: 283
» Oscillations and Waves » Standing Waves in Strings and Organ Pipes
Question
An organ pipe closed at one end has fundamental frequency of 2000 Hz. The maximum number of overtones generated by this pipe which a normal person can hear is –
Choices
Choice (4)  Response  

a.  20 

b.  10 

c.  5 

d.  15 

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Question number: 284
» Properties of Solids & Liquids » Viscosity
Question
of a viscous liquid flows per unit time due to a pressure head along a pipe of diameter and length . Instead of this pipe, a set of eight pipes each of the diameter and length is connected to the same pressure head . What will be the volume of liquid flowing per unit time?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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Question number: 285
» 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. 


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Question number: 286
Question
A capacitor in a defibrillator is charged to 2000 V. The energy stored in the capacitor is sent through the patient during a pulse of duration 4 ms. The power delivered to the patient is –
Choices
Choice (4)  Response  

a.  100 kW 

b.  25 kW 

c.  50 kW 

d.  200 kW 

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Question number: 287
» Magnetic Effects of Current and Magnetism » Biot  Savart Law
Question
A closely wound flat circular coil of 30 turns of wire has diameter of 12 cm and carries a current of 6 ampere. Determine the magnetic flux density at the centre of the coil:
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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