An electron microscope can achieve |WaveOpticsJEEMain2021

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JEE MAIN 2021

26-02-2021 S1

Question

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A : An electron microscope can achieve better resolving power than an optical microscope.
Reason R : The de Broglie's wavelength of the electrons emitted from an electron gun is much less than wavelength of visible light.
In the light of the above statements, choose the correct answer from the options given below:

Select the correct option:

A

A is true but R is false.

B

Both A and R are true and R is the correct explanation of A.

C

Both A and R are true but R is NOT the correct explanation of A.

D

A is false but R is true.

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

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