A rocket works by expelling gases from one end at a very high speed which inturn, upthrust the rocket. This illustrates law of conservation of momentum.
CTET Solved Paper MCQ - UTET April 2015 Paper2
Wisdom tooth normally grow during the age of 17-30 years. It does not have any functunal value
The Red blood cells (RBC) develops in the bone marrow and circulate for about 100 to 120 days in the body. After they death components are recycled is liver
Nichrome has relatively high resistance. So, it is used as
heating element in an electric iron.
