JEE MAIN 2022 ONLINE 25TH JUNE MORNING SHIFT

Given below are two statements :

Statement I : Davisson-Germer experiment establishes the wave nature of electrons.

Statement II : If electrons have wave nature, they can interfere and show diffraction.

In the light of the above statements choose the correct answer from the option given below :

Leaching of gold with dilute aqueous solution of NaCN in presence of oxygen gives complex [A], which on reaction with zinc forms the elemental gold and another complex [B]. [A] and [B], respectively are :

Consider the following two propositions:

$$P1: \sim (p \to \sim q)$$

$$P2:(p \wedge \sim q) \wedge (( \sim p) \vee q)$$

If the proposition \(p \to (( \sim p) \vee q)\) is evaluated as FALSE, then :

A signal of 100 THz frequency can be transmitted with maximum efficiency by :

Incorrect statement for Tyndall effect is :

Let Q be the mirror image of the point P(1, 0, 1) with respect to the plane S : x + y + z = 5. If a line L passing through (1, \(-\)1, \(-\)1), parallel to the line PQ meets the plane S at R, then QR² is equal to :