Home
Class 10
PHYSICS
What is a lens? Distinguish between a co...

What is a lens? Distinguish between a convex lens and a concave lens. Which of the two is a converging lens: convex lens or concave lens?

Promotional Banner

Topper's Solved these Questions

  • REFRACTION OF LIGHT

    LAKHMIR SINGH & MANJIT KAUR|Exercise LONG ANSWER TYPE QUESTIONS|3 Videos

  • REFRACTION OF LIGHT

    LAKHMIR SINGH & MANJIT KAUR|Exercise SHORT ANSWER TYPE QUESTIONS|1 Videos

  • REFRACTION OF LIGHT

    LAKHMIR SINGH & MANJIT KAUR|Exercise VERY SHORT ANSWER TYPE QUESTIONS|1 Videos

  • REFLECTION OF LIGHT

    LAKHMIR SINGH & MANJIT KAUR|Exercise Very Short Answer Type Questions|1 Videos

  • SOURCES OF ENERGY

    LAKHMIR SINGH & MANJIT KAUR|Exercise NCERT|8 Videos

Similar Questions

Explore conceptually related problems

Concave lens and convex lens

State two differences between a convex lens and a concave lens. Give one use of convex lens and one of concave lens.

State two differences between a convex and a concave lens.

Concave lens and Convex lens

A convex lens is a diverging lens.

When does a convex lens behave as a concave lens ?

When does a convex lens behave as a concave lens ?

A concave lens is a converging lens.

What is the sign of the power of (i) a convex lens (ii) a concave lens ?

LAKHMIR SINGH & MANJIT KAUR-REFRACTION OF LIGHT-Exercise
  1. State any two uses of convex lenses.

    Text Solution

    |

  2. Fill in the following blanks with suitable words: a) Parallel rays ...

    Text Solution

    |

  3. What is a lens? Distinguish between a convex lens and a concave lens. ...

    Text Solution

    |

  4. a) Explain with the help of a digaram, why the convex lens is also cal...

    Text Solution

    |

  5. a) Explain with the help of a diagram, why the concave lens is also ca...

    Text Solution

    |

  6. Draw a ray diagram to show the formation of a real magnified image by ...

    Text Solution

    |

  7. Describe with the help of a ray-diagram, the formation of image of a f...

    Text Solution

    |

  8. Descibe with the help of a ray diagram the nature, size and position o...

    Text Solution

    |

  9. An object is placed at a distance equal to 2f in front of a convex len...

    Text Solution

    |

  10. Describe with the help of a ray-diagram, the size, nature and position...

    Text Solution

    |

  11. Describe with the help of a ray diagram the nature, size and position ...

    Text Solution

    |

  12. a) What type of lens is shown in the diagram on the right? What will h...

    Text Solution

    |

  13. Where must the object be placed for the image formed by a converging l...

    Text Solution

    |

  14. Draw a diagram to show how a converging lens held close to the eye act...

    Text Solution

    |

  15. How would you find the focal length of a convex lens rapidly but appro...

    Text Solution

    |

  16. a) With the help of a labelled diagram explain how a convex lens conve...

    Text Solution

    |

  17. a) With the help of a labelled diagram, explain how a concave lens div...

    Text Solution

    |

  18. Draw ray diagrams to represent the nature, position and relative size ...

    Text Solution

    |

  19. a) An object is placed well outside the principle focus of a convex le...

    Text Solution

    |

  20. a) Explain what is meant by a virtual, magnified image. b) Draw a ra...

    Text Solution

    |