1.
Which mirror is used as a rear-view mirror in vehicles?
2.
Why do objects fall toward Earth?
3.
What is the SI unit of force?
4.
Unit of electrical resistance is:
5.
What is the SI unit of power?
1 out of 2
6.
Which device converts electrical energy into mechanical energy?
7.
Which energy is stored in a stretched spring?
8.
Which instrument measures electric current?
9.
Who discovered gravity?
10.
What is the boiling point of water at normal pressure?
2 out of 2