L3 - Light

Which is NOT a HOT source of light?

• Sun

• Fire

• Electricity

• Glow stick

Which is approximate speed of the light?

• 200,000km/s

• 300,000km/s

• 200,000km/h

• 500,000km/s

How long it takes light to travel from the sun to Earth?

• 5 min

• 6 min

• 1 min

• 8 min

How long it takes light to travel from the moon to Earth?

• 5 sec

• 6 sec

• 1 sec

• 8 min

Which particle absorbs energy, jumps high and releases light?

• Electron

• Proton

• Neutron

The light ravel like a:

• Flat

• Wave

• Jumps

If we mix all the colours of the light, which colour of the light will we make?

• Black

• Brown

• Yellow

• White

Which colour of visible light makes the longest waves?

• Violet

• Blue

• Red

• Orange

Which colour of visible light makes the shortest waves?

• Violet

• Blue

• Red

• Orange

Which colour of visible light can travel the longest distances?

• Violet

• Blue

• Red

• Orange