# Ray Optics-Resolving Power of Microscopes and Astronomical Telescopes (AIIMS Physics): Questions 1 - 4 of 4

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to **500** questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 350.00 or

## Question number: 1

» Ray Optics » Resolving Power of Microscopes and Astronomical Telescopes

Appeared in Year: 2005

### Question

A telescope has an objective lens of focal length 200 cm and an eye piece with focal length 2cm. If this telescope is used to see a 50 meter tall building at a distance of 2km, what is the height of the image of the building formed by the objective lens – [AIIMS]

### Choices

Choice (4) | Response | |
---|---|---|

a. | 2 cm | |

b. | 1 cm | |

c. | 5 cm | |

d. | 10 cm |

## Question number: 2

» Ray Optics » Resolving Power of Microscopes and Astronomical Telescopes

Appeared in Year: 2005

### Assertion (Ꭺ)

The resolving power of a telescope is more if the diameter of the objective lens is more.

### Reason (Ꭱ)

Objective lens of large diameter collects more light.

### Choices

Choice (4) | Response | |
---|---|---|

a. | Both Ꭺ and Ꭱ are false | |

b. | Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ | |

c. | Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ | |

d. | Ꭺ is true but Ꭱ is false |

## Question number: 3

» Ray Optics » Resolving Power of Microscopes and Astronomical Telescopes

### Question

A telescope has an objective lens of focal length 100 cm and an eye piece with focal length 5cm. If this telescope is used to see a 30 meter tall building at a distance of 1km, what is the height of the image of the building formed by the objective lens –

### Choices

Choice (4) | Response | |
---|---|---|

a. | 27 cm | |

b. | 3 cm | |

c. | 1 cm | |

d. | 9 cm |

## Question number: 4

» Ray Optics » Resolving Power of Microscopes and Astronomical Telescopes

### Question

A telescope has an objective lens of focal length 500 cm and an eye piece with focal length 10 cm. If this telescope is used to see a 80 meter tall building at a distance of 5km, what is the height of the image of the building formed by the objective lens –

### Choices

Choice (4) | Response | |
---|---|---|

a. | 10 cm | |

b. | 15 cm | |

c. | 8 cm | |

d. | 6 cm |