In a simple microscope, a lens is used.
Important Questions on Light and Optical Instrument
Draw a ray diagram to illustrate the action of a convex lens as magnifying glass.
The image is magnified x 400. What does this mean?
The cells in the figure are magnified x 4000. What does this mean?
Give a one-word answer:
What piece of apparatus do you need to study microorganisms?
Microorganisms can be seen with the help of a _____.
Examine the lenses in a compound microscope. Are they convex or concave lenses?
Answer the following questions and arrange the letters you get inside the coloured boxes in the order given below the questions to spell out the name of a famous bacteriologist.
Instrument required to view microbes-
Amoeba divides by _____ fission.
Chlorella propagates by producing special cells called _____.
An organism that lives on or within the bodies of other organisms, affecting them adversely _____.
A viral disease-
Yeast has a cell wall made of _____.
The name is
The images given are not taken with a light microscope. Find out what kind of microscope has been used.
