(Important For B.Sc. III)
Questions
1) At what condition a lorentz tronsfarmation is converted into Gallilian tronsfarmation ? (Important)
2) Calculate the percentage contraction if a rod is moving with velocity 0.8 c .
3) An observer observe the length which is 99% of its original length. Calculate the velocity with which frame of reference move .
4) An experimentor observes a radioactive atom moving with a velocity of 0.25c . The atom then emmits a beta particle having velocity 0.9c relative to atom. What is velocity of beta particle as observed by the experimentor ?
5) Two particles come towards each other with a speed 0.7c. What is their relative speed?
6) The rest mass of proton is 1.67 x 10-27. At what speed will its mass be doubled rest mass ?
7) At what speed will the mass of a body be 2.25 times its rest mass ? (m = 2.25m0)
8) Two particles are moving along a straight line towards each other with velocity 0.8c and point 0.5c. Calculate their relative speed.
9) At what speed of an electron if its mass be thrice than its mass ?
10) Find the mass of an speed of two mega electron volt of electron.
11) If the kinetic energy of a body is twice of its rest mass energy. Find its velocity .
Notes Of Relativsitic Mechanics - Download Here
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