A student has focused the image of a candle flame on a white screen using a concave mirror. The situation is as given below :
length of the flame = 1.5 cm,
Focal length of the mirror = 12 cm,
Distance of flame from the mirror = 18 cm.
1. Calculate the distance of the image from the mirror.
a. - 30 cm
b. - 32 cm
c. - 34 cm
d. - 36 cm
2. Find the length of the image?
a. 1 cm
b. 2 cm
c. 3 cm
d. 4 cm
3. If the distance between the mirror and the flame is reduced to 10 cm, then what would be observed on the screen?
a. Nothing will be observed on the screen.
b. Candle flame will be observed on the screen.
4. If the distance between the mirror and the flame is reduced to 10 cm, then the image formed behind the mirror is
a. Real and erect
b. Real and inverted
c. Virtual and erect
d. Virtual and inverted
5. A concave mirror gives virtual and erect image if the object is placed
a. At F
b. At C
c. Between P and F
d. At infinity
