What sign (+ve or −ve) has been given to the following on the basis of Cartesian Sign Convention?

(a) Height of a real image.
(b) Height of a virtual image.

Open in App

Solution

(a) A negative sign has been given to the height of a real image.
(Because a real image is formed below the principal axis, it's given a negative sign).

(b) A positive sign is given to the height of a virtual image.
(Because a virtual image is formed above the principal axis, it's given a positive sign).

Suggest Corrections

Similar questions

What sign (+ve or -ve) has been given to the following on the basis of Cartesian Sign Convention ? (a) Height of a real image. (b) Height of a virtual image.

If AB is the object and CD is the image formed. If AP is the object distance and CP is the image distance from the mirror. Then choose the correct sign convention?
$\begin{matrix} 1. h e i g h t o f i m a g e = + v e & 2. h e i g h t o f i m a g e = - v e 3. h e i g h t o f o b j e c t = + v e & 4. h e i g h t o f o b j e c t = - v e 5. A P = + v e & 6. A P = - v e 7. P C = + v e & 8. P C = - v e \end{matrix}$

Q. Which one of the following has a negative sign, on the basis of new Cartesian sign Convention?

If AB is the object and CD is the image formed. If AP is the object distance and CP is the image distance from the mirror. Then choose the correct sign convention?

1. height of image = + ve 2. height of image = – ve

3. height of object = + ve 4. height of object = – ve

5. AP = + ve 6. AP = – ve

7. PC = + ve 8. PC = – ve.

According to the "New Cartesian Sign Convention" for mirrors, what sign has been given to the focal length of : (i) a concave mirror ? (ii) a convex mirror ?

Join BYJU'S Learning Program

What sign (+ve or −ve) has been given to the following on the basis of Cartesian Sign Convention? (a) Height of a real image. (b) Height of a virtual image.

What sign (+ve or −ve) has been given to the following on the basis of Cartesian Sign Convention?

(a) Height of a real image.
(b) Height of a virtual image.