#### Question

An object is placed at a distance of 10 cm from aconvex mirror of focal length 15 cm. Find the position and nature of the image.

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#### Related Questions VIEW ALL [5]

Analyse the following observation table showing variation of image distance (*v*) with object distance (*u*) in case of a convex lens and answer the questions that follow, without doing any calculations:

S. No. |
Object distance u(cm) |
Image distance v(cm) |

1 | −90 | +18 |

2 | −60 | +20 |

3 | −30 | +30 |

4 | −20 | +60 |

5 | −18 | +90 |

6 | −10 | +100 |

(a) What is the focal length of the convex lens? Give reason in support of your answer.

(b) Write the serial number of that observation which is not correct. How did you arrive at this conclusion?

(c) Take an appropriate scale to draw ray diagram for the observation at S. No. 4 and find the approximate value of magnification.

#### Reference Material

Solution for question: An object is placed at a distance of 10 cm from a convex mirror of focal length 15 cm. Find the position and nature of the image concept: Representation of Images Formed by Spherical Mirrors Using Ray Diagrams - Convex Mirror. For the course CBSE