In which of the following set-ups Neetu will be able to remove the safety pin by using a magnet on the
outer surface of the respective containers?
A (i), (ii) and (iii)
B (ii) and (iii) only
C (i) and (iii) only
D (ii) only
Ans 2:
Class : Class 5
Answer: A
Explanation:
Placing a magnet on the outer surface of three of the containers, the safety pin would be attracted to the magnet. In such a way, the safety pin could be removed out of the container.
Ans 3:
Class : Class 5
Ans is A. I checked it myself by petting a safety pin in an iron container.I was able to remove the safety pin.
Ans 9:
Class : Class 5
Correct answer would be B. A safety pin inside an iron container cannot be taken out by a magnet because the power of the magnet would be disturbed by the container,thus not reaching the safety pinto attract it. All the previous answers are given by IDIOTS.