AIIMS (All India Institute of Medical Sciences) Physics: Questions 429  433 of 500
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Question number: 429
» Kinematics » Scalars and Vectors » Scalar and Vector Products
Question
If , then find the angle between P and Q.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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Question number: 430
» Atoms and Nuclei » Half Life and Mean Life
Appeared in Year: 1998
Question
Half – life period of two radioactive substance are are 40 minute and 20 minute respectively, then after 80 minute ratio of the remaining nuclei will be – (Initially both have equal active nuclei) [AIPMT]
Choices
Choice (4)  Response  

a.  16: 1 

b.  4: 1 

c.  1: 2 

d.  8: 1 

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Question number: 431
» Dual Nature of Matter and Radiation » Einstein's Photoelectric Equation
Appeared in Year: 1993
Question
The wavelength of a photon is . What is the frequency of photon: [AIPMT]
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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Question number: 432
» Magnetic Effects of Current and Magnetism » Electric Charge Moving in Magnetic Field
Question
A charge with and mass moving with a velocity of along axis. A uniform static magnetic field of is acting along the y – axis. The magnetic force (magnitude and direction) on charge –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  Zero 

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Question number: 433
» Electromagnetic Induction & Alternating Currents » Reactance and Impedance
Appeared in Year: 2006
Question
A coil of inductive reactance has a resistance of . It is placed in series with a condenser of capacitative reactance . The combination is connected to an a. c. source of 110 volt. The power factor of the circuit is – (AIPMT)
Choices
Choice (4)  Response  

a. 


b.  0.80 

c.  0.64 

d.  0.33 

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