Magnification by a Spherical Surface

Q.

Find the size of the image formed in the situation shown in figure.

1. 0.8 cm, inverted

2. 0.6 cm, inverted

3. 0.6 cm, erect

4. 0.4 cm, erect

Q. A short linear object of length $l$ lies along the axis of a concave mirror at a distance $u$ from it. If $v$ is the distance of the image from the mirror, then the size of the image is

1. $\left(\frac{v}{u}\right)l$
2. ${\left(\frac{v}{u}\right)}^{2}l$
3. $\left(\frac{u}{v}\right)l$
4. ${\left(\frac{u}{v}\right)}^{2}l$

Q.

In the previous question, R is:

1. Positive

2. Negative

3. Can't comment

4. Data insufficient

Q.

In the previous question, R is:

1. Positive

2. Negative

3. Can't comment

4. Data insufficient

Q.

Find the size of the image formed in the situation shown in figure.

1. 0.8 cm, inverted

2. 0.6 cm, inverted

3. 0.6 cm, erect

4. 0.4 cm, erect

Q. A short linear object of length $l$ lies along the axis of a concave mirror at a distance $u$ from it. If $v$ is the distance of the image from the mirror, then the size of the image is

1. $\left(\frac{v}{u}\right)l$
2. ${\left(\frac{v}{u}\right)}^{2}l$
3. $\left(\frac{u}{v}\right)l$
4. ${\left(\frac{u}{v}\right)}^{2}l$