1
MHT CET 2024 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A concave mirror of focal length ' $f$ ' produces an image ' $n$ ' time the size of the object. If the image is real, then the distance of the object from the mirror is

A
$(\mathrm{n}-1) \mathrm{f}$
B
$\left(\frac{\mathrm{n}-1}{\mathrm{n}}\right) \mathrm{f}$
C
$\left(\frac{n+1}{n}\right) f$
D
$(\mathrm{n}+1) \mathrm{f}$
2
MHT CET 2024 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The focal length of combination of lenses formed with lenses having power of +2.50 D and $-3.75$ D will be

A
$-20$ cm
B
$-40$ cm
C
$-60$ cm
D
$-80$ cm
3
MHT CET 2024 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two thin lenses have a combined power of +9D. When they are separated by a distance of 20 cm , their equivalent power becomes $+\frac{27}{5} \mathrm{D}$. The power of both the lenses in dioptre are respectively

A
$ 4,5$
B
$ 3,6$
C
$2,7$
D
$ 1,8$
4
MHT CET 2024 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A plane mirror produces a magnification of

A
$-1$
B
zero
C
$+1$
D
$+2$
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