NEET Physics Nuclei Questions Solved

An observer A sees an asteroid with a radioactive element moving by at a speed = 0.3 c and measures the radioactivity decay time to be TA. Another observer B is moving with the asteroid and measures its decay time as TB. Then Ta and TB are related as below VITEEE 2008] (a) TB < TA (b) Tg=Ta (c) TB>TA (d) Either (a) or (c) depending on whether the asteroid is approaching or moving away from A.

Difficulty Level:

  • 29%
  • 43%
  • 17%
  • 13%
Crack NEET with Online Course - Free Trial (Offer Valid Till August 26, 2019)