MIRROR FORMULA,MAGNIFICATION( CONCAVE,MIRROR,CONVEX MIRROR)
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NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Ray Optics

282022 $A \operatorname{rod} A B$ of length $5 \mathrm{~cm}$ is placed in front a concave mirror of focal length $10 \mathrm{~cm}$ as shown in figure. The length of the image of $A B$ formed by the mirror is
![original image](https://cdn.mathpix.com/snip/images/eu0hzuqZmlTXXxiBDnv5MoEmwo6-p72iBW_kdG1R-MQ.original.fullsize.png)

1 $5 \mathrm{~cm}$
2 $7.5 \mathrm{~cm}$
3 $10 \mathrm{~cm}$
4 $12.5 \mathrm{~cm}$
Assam CEE-2020
Ray Optics

282056 To increase the magnification of telescope :

1 to objective and eye piece should be of short focal length
2 the objective and eye piece should be of large focal length
3 the objective should be of large focal length and eye piece should be of short focal length
4 the objective should be of short focal length and eye piece should be of large focal length
SCRA-2011
Ray Optics

282023 An object, is placed $60 \mathrm{~cm}$ in front of a convex mirror of focal length $30 \mathrm{~cm}$. A plane mirror is now placed facing the object in between the object and the convex mirror such that it covers lower half of the convex mirror. What should be the distance of the plane mirror from the object, so that there will be no parallax between the images formed by the two mirrors?

1 $40 \mathrm{~cm}$
2 $30 \mathrm{~cm}$
3 $20 \mathrm{~cm}$
4 $15 \mathrm{~cm}$
WB JEE 2020
Ray Optics

282024 In the case of spherical mirrors, the image formed on the side of the object and images formed on the opposite side are respectively

1 virtual and real
2 virtual and virtual
3 real and real
4 real and virtual
MHT-CET 2020
NEET DIGITAL LIBRARY
Ray Optics

282022 $A \operatorname{rod} A B$ of length $5 \mathrm{~cm}$ is placed in front a concave mirror of focal length $10 \mathrm{~cm}$ as shown in figure. The length of the image of $A B$ formed by the mirror is
![original image](https://cdn.mathpix.com/snip/images/eu0hzuqZmlTXXxiBDnv5MoEmwo6-p72iBW_kdG1R-MQ.original.fullsize.png)

1 $5 \mathrm{~cm}$
2 $7.5 \mathrm{~cm}$
3 $10 \mathrm{~cm}$
4 $12.5 \mathrm{~cm}$
Assam CEE-2020
Ray Optics

282056 To increase the magnification of telescope :

1 to objective and eye piece should be of short focal length
2 the objective and eye piece should be of large focal length
3 the objective should be of large focal length and eye piece should be of short focal length
4 the objective should be of short focal length and eye piece should be of large focal length
SCRA-2011
Ray Optics

282023 An object, is placed $60 \mathrm{~cm}$ in front of a convex mirror of focal length $30 \mathrm{~cm}$. A plane mirror is now placed facing the object in between the object and the convex mirror such that it covers lower half of the convex mirror. What should be the distance of the plane mirror from the object, so that there will be no parallax between the images formed by the two mirrors?

1 $40 \mathrm{~cm}$
2 $30 \mathrm{~cm}$
3 $20 \mathrm{~cm}$
4 $15 \mathrm{~cm}$
WB JEE 2020
Ray Optics

282024 In the case of spherical mirrors, the image formed on the side of the object and images formed on the opposite side are respectively

1 virtual and real
2 virtual and virtual
3 real and real
4 real and virtual
MHT-CET 2020
Join With Us for More Updates
Ray Optics

282022 $A \operatorname{rod} A B$ of length $5 \mathrm{~cm}$ is placed in front a concave mirror of focal length $10 \mathrm{~cm}$ as shown in figure. The length of the image of $A B$ formed by the mirror is
![original image](https://cdn.mathpix.com/snip/images/eu0hzuqZmlTXXxiBDnv5MoEmwo6-p72iBW_kdG1R-MQ.original.fullsize.png)

1 $5 \mathrm{~cm}$
2 $7.5 \mathrm{~cm}$
3 $10 \mathrm{~cm}$
4 $12.5 \mathrm{~cm}$
Assam CEE-2020
Ray Optics

282056 To increase the magnification of telescope :

1 to objective and eye piece should be of short focal length
2 the objective and eye piece should be of large focal length
3 the objective should be of large focal length and eye piece should be of short focal length
4 the objective should be of short focal length and eye piece should be of large focal length
SCRA-2011
Ray Optics

282023 An object, is placed $60 \mathrm{~cm}$ in front of a convex mirror of focal length $30 \mathrm{~cm}$. A plane mirror is now placed facing the object in between the object and the convex mirror such that it covers lower half of the convex mirror. What should be the distance of the plane mirror from the object, so that there will be no parallax between the images formed by the two mirrors?

1 $40 \mathrm{~cm}$
2 $30 \mathrm{~cm}$
3 $20 \mathrm{~cm}$
4 $15 \mathrm{~cm}$
WB JEE 2020
Ray Optics

282024 In the case of spherical mirrors, the image formed on the side of the object and images formed on the opposite side are respectively

1 virtual and real
2 virtual and virtual
3 real and real
4 real and virtual
MHT-CET 2020
For More Updates join with Us
Ray Optics

282022 $A \operatorname{rod} A B$ of length $5 \mathrm{~cm}$ is placed in front a concave mirror of focal length $10 \mathrm{~cm}$ as shown in figure. The length of the image of $A B$ formed by the mirror is
![original image](https://cdn.mathpix.com/snip/images/eu0hzuqZmlTXXxiBDnv5MoEmwo6-p72iBW_kdG1R-MQ.original.fullsize.png)

1 $5 \mathrm{~cm}$
2 $7.5 \mathrm{~cm}$
3 $10 \mathrm{~cm}$
4 $12.5 \mathrm{~cm}$
Assam CEE-2020
Ray Optics

282056 To increase the magnification of telescope :

1 to objective and eye piece should be of short focal length
2 the objective and eye piece should be of large focal length
3 the objective should be of large focal length and eye piece should be of short focal length
4 the objective should be of short focal length and eye piece should be of large focal length
SCRA-2011
Ray Optics

282023 An object, is placed $60 \mathrm{~cm}$ in front of a convex mirror of focal length $30 \mathrm{~cm}$. A plane mirror is now placed facing the object in between the object and the convex mirror such that it covers lower half of the convex mirror. What should be the distance of the plane mirror from the object, so that there will be no parallax between the images formed by the two mirrors?

1 $40 \mathrm{~cm}$
2 $30 \mathrm{~cm}$
3 $20 \mathrm{~cm}$
4 $15 \mathrm{~cm}$
WB JEE 2020
Ray Optics

282024 In the case of spherical mirrors, the image formed on the side of the object and images formed on the opposite side are respectively

1 virtual and real
2 virtual and virtual
3 real and real
4 real and virtual
MHT-CET 2020
NEET DIGITAL LIBRARY