" I.What do you observe? "

IF cos A=7/25 , then find sin A and cosec A. What do you observe?

Observe the following table and complete it . What do you observe ? Can you find a pair of integer whose product not an integer?

when red litmus paper put on soap .What do you observe ? Do you find any change in colour?

a . What do you observe when the circuit is closed ? b. What will happen when the polarity of cell is reserved ? Why ?

Leave the bottle free. What do you observe?

Now, cover the torch glass with your palm. What do you observe?

Now, cover the torch glass with oily paper. What do you observe?

The size of air bubbles rising from the bottom of an aquarium increases. Can you explain the reason? What do you observe?