Question

Practice Question 7
7.1 Mrs Hegde wants to make a security door for her house.
(a) What material should she use to make the door?
(b) How will the door made of this material keep her house secure? Write two ways in which it
will help
Do you think this is a good step?

Ans=she should use material that is hard and opaque like wood or iron.

Ans=The material's hardness will not be broken easily and its opaqueness will not allow people to peep inside the house.
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Answer 1

Answer:

A)The door should be made of tungsten