Question
Mention differences between light microscope and electron microscope.

Answer

 
Light microscope
 
Electron microscope
1.
It uses glass lenses.
1.
It uses electromagnets.
2.
It uses a beam of light to illuminate the object.
2.
It uses a beam of electrons instead of light.
3.
Internal vacuum is not required.
3.
Internal vacuum is essential.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Define crop? Name the various types of crops. What are Kharif and Rabi crops?
The distance between Delhi and Agra is 200km. A train travels the first 100km at a speed of 50km/h. How fast must the train travel the next 100km, so as to average 70km/h for the whole journey?
Differentiate between sclerenchyma and parenchyma tissue. Draw well labelled diagram.
Which separation techniques will you apply for the separation of the following?
  1. Sodium chloride from its solution in water.
  2. Ammonium chloride from a mixture containing sodium chloride and ammonium chloride.
  3. Small pieces of metal in the engine oil of a car.
  4. Different pigments from an extract of flower petals.
  5. Butter from curd.
  6. Oil from water.
  7. Tea leaves from tea.
  8. Iron pins from sand.
  9. Wheat grains from husk.
  10. Fine mud particles suspended in water.
How can reverberations in a big hall or auditotium be reduced?`
Which contains more molecules, 10g of sulphur dioxide (SO2) or 10g of oxygen (O2)?
(Atomic masses: S = 32u; O = 16u)
How long will it take a force of 10N to stop a mass of 2.5kg which is moving at 20m/s?
Draw a neat and labelled diagram of the human ear. With the help of this diagram, explain the construction and working of the human ear.
Define the following:
  1. Sol
  2. Aerosol
  3. Emulsion
  4. Foam
Given one example of each.
With the help of a labelled diagram, describe the method of separating ammonium chloride from a mixture of ammonium chloride and common salt. Mention the difference in the properties of ammonium chloride and sodium chloride which has made this separations possible.