1.What type of lens is a magnifying glass?
C Plane Glass
2.The presence of charge on a substance can be confirmed by a?
A Gold Leaf Electroscope
3.Conductors have a _______ resistance.
4.Light travels in a
A Circular Path
B Parabolic Path
C Hyperbolic Path
D Straight Line
5.The absorption of ink by blotting paper involves
A.viscosity of ink
B.capillary action phenomenon
C.diffusion of ink through the blotting
6.Stars appears to move from east to west because
A.all stars move from east to west
B.the earth rotates from west to east
C.the earth rotates from east to west
D.the background of the stars moves from west to east
7. Moment of inertia determines ?
8.Radioactivity was discovered by