light day 2

light travel fastest in

• Air

• Water

• Vaccum

Moons of the all planets are

Match the following

Groups:

(a) Luminous objects

,

(b) Non luminous object

• sun

• stars

• book

• pen

• chair

• bulb

• Candle

• cloths

Nature of the glass ​ is (a)  

• transparent
• translucent
• opaque

Light travels in a

What is the primary source of light

• moon

• sun

• lamp

• fire

what happens when light hits a mirror

• it passes through

• it is absorbed

• it is reflected

• it is refracted

Which of the following materials allows light to pass through completely?

• Wood

• Glass

• Stone

• Metal

What is formed when light is blocked by an object?

• Rainbow

• Reflection

• Shadow

• Glow

Which phenomenon causes a pencil to appear bent when placed in a glass of water?

• Diffusion

• Reflection

• Absorption

• Refraction