Question

An object of size 6 cm is placed in front of a concave lens of focal length 20cm if the image is formed at 15 cm from the lense calculate
a) draw diagram
b) Distance of object?
c) size and nature of image?​

Answer 1

1.for making the text look coloured refer the below syntax and ignore the dots

[.tex]\red{the\:text\:appears\:in\:red}[./tex]

result

\red{the\:text\:appears\:in\:red}thetextappearsinred

2.for making the text marquee

[.tex]<marquee>{the\:text\:appears\:like\:this}</marquee>[./tex]

result

= < marquee > {the\:text\:appears\:like\:this} < /marquee > <marquee>thetextappearslikethis</marquee>

3. for making the text look bold

[.tex]\bold{the\:text\: appears\: like\: this }[./tex]

result =

\bold{the\:text\: appears\: like\: this }thetextappearslikethis

4. for showing the exponential value

[.tex]{no.}^{power}[./tex]

result

= {no.}^{power}[ /tex] 5. for showing the square root value [.tex]\sqrt{no.}[./tex] result = $\sqrt{no.}no. </p><p>power</p><p>$5.forshowingthesquarerootvalue[.tex]

no.

[./tex]result=[tex]

no.

\bold{\boxed{thanx}}

thanx

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