🕯️ Light 🕯️

Objects that are capable of giving out light by themselves are called

• Luminous objects or sources of lights

• Non luminous objects

• Transparent objects

• Propagation of light

What does this picture show?

• Umbra and penumbra

• Shadow

• A pinhole camera

Light is a form of _______ that helps us to see objects.

Some animals and microorganisms are capable of producing light from their body by chemical reaction this is called ___________.

Examples of bioluminescence are :-

(Can be more than one)

• Whale 🐳

• Fish 🐠

• Firefly 🐝🔥

• Jellyfish 🦑

Light can travel through _______.

• Opaque objects

• Vacuum

Which of them are natural sources of light

• Sun 🌞

• Moon 🌝

• Stars 💫

• Earth 🌎

Which type of object is this ?

• Transparent object

• Translucent object

• Shadow

• Opaque object

A very fine or narrow path of light is called a _____ of light.

(First letter capital)

Which type of beam of light is this?

• Divergent beam of light

• Convergent beam of light