AIIMS (All India Institute of Medical Sciences) Physics: Questions 454  459 of 500
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Question number: 454
» Atoms and Nuclei » Half Life and Mean Life
Appeared in Year: 2002
Question
A sample of radioactive element is containing active nuclei. Half life of element is 10 days, then number of decayed nuclei after 30 days –
[AIPMT]
Choices
Choice (4)  Response  

a.  2 x 10^{15} 

b.  3.5 x 10^{15} 

c.  0.5 x 10^{15} 

d.  1 x 10^{15} 

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Question number: 455
» Electrostatics » Electric Potential
Question
Calculated the kinetic energy of a point charge of at . This charge is initially at rest at the origin. And a uniform electric field of is in direction.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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Question number: 456
» Dual Nature of Matter and Radiation » DeBroglie Relation
Question
The De – Broglie wavelength of neutron of energy is –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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Question number: 457
» Dual Nature of Matter and Radiation » Particle Nature of Light
Question
If the work function of a metal is and the wavelength of incident photon is , than what is the maximum kinetic energy of photo electrons?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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Question number: 458
» Wave Optics » Young's Double Slit Experiment
Appeared in Year: 2007
Question
In Young’s double slit experiment when wavelength of is used then fringe width of is obtained. If wavelength of is used then what is the fringe width? [RPMT]
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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Question number: 459
» Magnetic Effects of Current and Magnetism » Magnetic Susceptibility and Permeability
Question
A rod of magnetic material having cross section is putting in magnetizing field. Magneticflux passes through the rod is . Then magnetic susceptibility and magnetization of the road is, respectively –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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