Questions
The half life of a neutron is 800 sec. 108 neutrons at a certain instant are projected from one space station towards another space station, situated 3200 km away, with a velocity 2000 m/s. Their velocity remains constant during the journey. How many neutrons reach the other station?
detailed solution
Correct option is B
t=3200×1032000=1600sec.=2T1/2⇒N=N04=1084=25×106Talk to our academic expert!
Similar Questions
A sample contains 16g of a radioactive material, the half life of which two days. After 32days, the amount of radioactive material left in the sample is
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
free study material
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests
