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Grandfather paradox:
A paradox proposed to discount time travel & revel why it violates causality. Say that your grandfather constructs a time machine. Currently, you employ his time machine to go back in time a few decades to a point before he married his wife .You meet him to talk about things, and an argument ensues (presumably he doesn't suppose that you're his grandson/granddaughter), and you kill him accidentally.
If he died before he met your grandmother & never had children, then certainly your parents could never have met (one of them didn't presents!) and could never given birth to you. Additionally, if he didn't live to construct his time machine, what are you doing in the past alive and along with a time machine, if you were never born and it was never constructed?
Q. What are uses of ultra-violet radiations? Uses of ultra-violet radiations: (i) They are utilized to destroy the bacteria and for sterilizing surgical instruments.
The energy needed to ionize an atom is known as ionization energy. It is the energy needed to make the electron jump from the present orbit to the infinite orbit.
The order of density in nucleus is: (1)10 8 kg/cc (2)10 -8 kg/ cc (3)10 - 9kg/cc (4)10 12 kg/cc Ans; (4)10 12 kg/cc
Explain the Thermodynamics - Heat and Work Thermodynamics is an area of science which looks at how changes in energy, work and the flow of heat influence each other. It can exp
Potential barrier One either side of the junction, the region ‘D' becomes free from mobile charge carriers. That is on n-type side of D, no free electrons exist and on p-type s
The coefficient of friction between the load and the flat-bed trailer is 0.40. While traveling at 100km/h, the driver makes an emergency stop and the truck skids to rest in 90m. De
how do you produce a pure spectrum
MOTION EXAM WITH ANSWERS
explain briefly voltaic cell
division
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