Given below are two statements:

Statement I: Photovoltaic devices can convert optical radiation into electricity.

Statement II: Zener diode is designed to operate under reverse bias in breakdown region.

In the light of the above statements, choose the most appropriate answer from the options given below:

Option 1 - Statement I is incorrect but Statement II is correct.

Option 2 - Both Statement I and Statement II are correct.

Option 3 - Both Statement I and Statement II are incorrect.

Option 4 - Statement I is correct but Statement II is incorrect

2 Views|Posted 5 months ago

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Alok Kumar Singh | Contributor-Level 10

5 months ago

Correct Option - 1

Detailed Solution:

From $x - t$ graph,

$\begin{array}{r} A = 1, T = 8 \\ \Rightarrow ω = \frac{2 π}{T} \\ \Rightarrow ω = \frac{π}{4} \\ at t = 2, x = 1 \\ a = - ω^{2} x \\ \Rightarrow a = \frac{- π^{2}}{16} * 1 \\ \Rightarrow a = \frac{- π^{2}}{16} m / s^{2} \end{array}$

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Physics Ncert Solutions Class 12th 2023

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