Which of the following are true for electron microscopy? Options: A . &nbspspecimen should be thin and dry B . &nbspimage is obtained on a phosphorescent screen C . &nbspelectron beam must pass through evacuated chamber D . &nbspspecimen should be thin and dry, image is obtained on a phosphorescent screen and electron beam must pass through evacuated chamber

Which of the following are true for electron microscopy?

Question

Which of the following are true for electron microscopy?

Options:

A . specimen should be thin and dry

B . image is obtained on a phosphorescent screen

C . electron beam must pass through evacuated chamber

D . specimen should be thin and dry, image is obtained on a phosphorescent screen and electron beam must pass through evacuated chamber

Answer: Option D
Answer: (d).specimen should be thin and dry, image is obtained on a phosphorescent screen and electron beam must pass through evacuated chamber

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