Who commanded the challenger’s first flight?
Give two National aims of science education
What is used in arihant’s atomic reactor?
What are nebulae?
172.116.0.0 is a private address - for 120 subnets how many bits does one borrow from the HOST bits
what is office automation?
What is voltage? ?? What type of of show voltage. ?? Practillay how's voltage?
When was the administration control of terls enstrusted to physcial research laboratory, ahmedabad?
What is practical frequency. ? How create a frequency band?
What are quasars?
What are pulsars?
When did india conduct three under ground nuclear tests?
Which is the most famous comet?
Which are the important pulsating nebulae?
Write two characteristics of Science.