Quiz 1

Metals are good conductors of electricity because

• they contain free electrons
• the atoms are lightly packed 
• they have high melting point
• all of the above

Stars appears to move from east to west because

• All stars move from east to west
• The earth rotates from west to east
• The earth rotates from east to west
• The background of the stars moves from west to east

Light year is a unit of

• Time
• Distance
• Light
• Intensity of light

The absorption of ink by blotting paper involves 

• Viscosity of ink
• Capillary action phenomenon
• Diffusion of ink through the blotting
• Siphon action

Which of these is a unit of work?

• Watt
• Meter
• Joule
• Newton

Symbol of second is

• m

• kg

• A

• s

Metre is SI unit of

• s

• kg

• A

• m