JEE Main 26 Feb 2021 Shift 1 Solved Paper

Section: Physics

Question : 17 of 90

Marks: +1, -0

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 theelectrons 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.

[26 Feb 2021 Shift 1]

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

Validate

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