Question

A student observed 5 different coloured candles which are placed at different positions on the principal
axis infront of the concave mirror of 30 cm focal length.
Colour
Distance from the pole
S.No.
1.
Red
40 cm
2.
White
3.
Pink
15 cm
60 cm
30 cm
4.
Yellow
5.
Green
70 cm

What is the radius of curvature of the mirror ?
A.
iv)
Which colour candle forms smaller image than the object?
A
​

Answer 1

Answer:

A distance from the pole is red 40 cm