AIIMS (All India Institute of Medical Sciences) Physics: Questions 346  350 of 500
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Question number: 346
» Work, Energy and Power » WorkEnergy Theorem
Question
Ratio of mass of proton and mass of electron is nearly about 1840. Now, if proton is accelerated by a potential difference of 2 KV, its kinetic energy is –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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Question number: 347
» Kinetic Theory of Gases » Kinetic Energy and Temperature
Question
At temperature T (in kelvin), the root mean square speed of a gas molecule is times its value at . Find the value of T.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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Question number: 348
» Electromagnetic Induction & Alternating Currents » Reactance and Impedance
Question
The reactance of an inductance of 0.04H for 100 Hz A. C. is –
Choices
Choice (4)  Response  

a.  10.55 Ω 

b.  25.12 Ω 

c.  8.20 Ω 

d.  9.14 Ω 

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Question number: 349
» Thermodynamics » Concept of Temperature
Question
A large steel wheel is to be fitted on to a shaft of the same material. At , the diameter of the shaft is 10.00 cm and the diameter of the hole is 9.98 cm. The shaft is cooled using ‘dry ice’. At what temperature of the shaft does the wheel slip into the shaft?
(Give for steel ).
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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Question number: 350
» Properties of Solids & Liquids » Young's Modulus
Question
The Young’s modulus of a rubber string 10 cm long and density, is, is suspended on the ceiling in a room. The increase in length due to its own weight will be:
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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