AIPMT 2010 Solved Papers
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AIPMT 2010 Physics
Q. 39. A gramophone record is revolving with an angular velocity ω. A coin is placed at a distance r from the centre of the record. The static coefficient of friction is μ. The coin will revolve with the record if:
Sol.
Answer : (3)
Q. 40. Which of the following statement is false for the properties of electromagnetic
waves?
- Both electric and magnetic field vectors attain the maxima and minima at the same place and same time
- The energy in electromagnetic wave is divided equally between electric and magnetic vectors
- Both electric and magnetic field vectors are parallel to each other and
perpendicular to the direction of propagation of wave - These waves do not require any material medium for propagation
Answer : (3)
Q. 41. Six vectors, 
through 
have the magnitudes and directions indicated in the
figure. Which of the following statements is true?
Answer: (3)