Observe the pictures.What conclusion you will arrive ?

In the experiment of observing a stone kept at the bottom of a water beaker through a convex lens which is also kept in water. What are the conclusions you have arrived ?

With the help of this diagram , answer the questions. What is the relation you observe in the pictures. What does it denote ?

Observe the picture and comment on the situation.

In this picture what changes do you observe?

Observe the picture and answer the question given. What is the name and function of set of set teeth A ?

Observe the picture and answer the question given. What is the name and function of set of set teeth B?

Observe the picture and answer the question given. What is the name and function of set of set teeth C ?

Observe the picture and answer the question given. What is the name and function of set of set teeth D ?

What colour do you observe ?

If you observe a plant without leaves.What questions arise In your mind?