1.

The magnification produced for an object by a mirror is -1/2 name the mirror and object position.pls answer this question correctly​

Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>Correct option is</p><p>D</p><p>2f</p><p>f</p><p>1</p><p> </p><p> = </p><p>v</p><p>1</p><p> </p><p> − </p><p>u</p><p>1</p><p> </p><p> , multiply using by u</p><p>⇒ </p><p>f</p><p>u</p><p> </p><p> = </p><p>v</p><p>u</p><p> </p><p> − </p><p>u</p><p>u</p><p> </p><p> = </p><p>v</p><p>u</p><p> </p><p> −1</p><p>⇒ </p><p>f</p><p>u</p><p> </p><p> +1= </p><p>v</p><p>u</p><p> </p><p> ⇒ </p><p>v</p><p>u</p><p> </p><p> = </p><p>f</p><p>u+f</p><p> </p><p> </p><p>⇒ </p><p>u</p><p>v</p><p> </p><p> = </p><p>f+u</p><p>f</p><p> </p><p> ⇒m∣ </p><p>u</p><p>−v</p><p> </p><p> ∣= </p><p>f+u</p><p>f</p><p> </p><p> </p><p>given that m= </p><p>3</p><p>1</p><p> </p><p> </p><p>So </p><p>3</p><p>1</p><p> </p><p> = </p><p>f+u</p><p>f</p><p> </p><p> ⇒f+u=3f</p><p>⇒ </p><p>u=2f</p><p> </p><p> </p><p></p><p></p></body></html>


Discussion

No Comment Found

Related InterviewSolutions