Solved papers for JEE Main & Advanced AIEEE Solved Paper-2007
done AIEEE Solved Paper-2007 Total Questions - 2
question_answer1) A radioactive element gets spilled over the floor of a room. Its half-life period is 30 days. If the initial activity is ten times the permissible value, after how many days will it be safe to enter the room?
AIEEE Solved Paper-2007