Question
The final image in a simple microscope is
–Solution
A basic microscope is made up of two converging lenses. The first lens creates a real image which serves as the object for the second lens, and the image created by the second lens is the one a viewer sees. The final image is magnified, virtual and is inverted compared to the original object.
The element used for making solar cells is
Which of the following is a physical change?
The gas used for filling weather balloons is-
Bronze is an alloy of-
The most reactive among the halogens is-
_________is the process in which acids and bases react to form salts and water.
The acid used in lead storage cells is-
The pH of a neutral solution is —
Which metal is extracted from seawater?
Milk tastes sour when kept in the open for sometimes due to the formation of-