Home
Class 10
BIOLOGY
An object of height 3 cm is placed at 10...

An object of height 3 cm is placed at 10 cm from a concave lens of focal length 15 cm. find the size of the image.

Promotional Banner

Topper's Solved these Questions

  • SELF-EVALUATION 7 MARKS

    SURA PUBLICATION|Exercise ANSWER ALL THE QUESTIONS (CHEMISTRY)|39 Videos
  • SELF-EVALUATION 7 MARKS

    SURA PUBLICATION|Exercise ANSWER ALL THE QUESTIONS (BIOLOGY)|38 Videos
  • SELF-EVALUATION 1 MARKS

    SURA PUBLICATION|Exercise ANSER THE ONE WORD : (SCIENCE)|5 Videos
  • SELF-EVALUATION TEST 2 MARKS

    SURA PUBLICATION|Exercise ANSWER ANY QUESTIONS (BIOLOGY & COMPUTER)|43 Videos

Similar Questions

Explore conceptually related problems

An object of size 3.0 cm is placed 14 cm in front of a concave lens of focal length 21 cm. Describe the image produced by the lens. What happens if the object is moved further away from the lens ?

An object of size 3.0 cm is placed 14 cm in front of a concave lens of focal length 21 cm. Describe the image produced by the lens. What happens if the object is moved farther from the lens ?

An object is placed at a distance of 10 cm from a convex lens of focal length 12 cm. Find the position and nature of the image.

An object is placed at a certain distance from a convex lens of focal length 20 cm. Find the distance of the object if the image obtained is. magnified 4 times.

An object is placed at a distance 20 cm from a convex lens of focal length 10 cm . Find the image distance and nature of the image .

SURA PUBLICATION-SELF-EVALUATION 7 MARKS-ANSWER ALL THE QUESTIONS (SCIENCE)
  1. An object of height 3 cm is placed at 10 cm from a concave lens of foc...

    Text Solution

    |

  2. Two bulbs are having the ratings as 60 W, 220 V and 40 W, 220 V respec...

    Text Solution

    |

  3. Calculate the coefficient of cubical expansion of a zinc bar whose vol...

    Text Solution

    |

  4. A source producing a sound of frequency 500 Hz is moving towards is li...

    Text Solution

    |

  5. Calculate the number of molecules in 54 gm of H(2)O?

    Text Solution

    |

  6. For a person with hypermeteropia, the near point has moved to 1.5 m. c...

    Text Solution

    |

  7. Find the mass of potassium chloride would be needed to form a saturate...

    Text Solution

    |

  8. Calculate the pH of 1xx10^(-4) molar solution of NaOH.

    Text Solution

    |

  9. Identily A. B, C, and D from the following nuclear reactions. (i) ""...

    Text Solution

    |

  10. Calculate the velocity of a moving body of mass 5 kg whose linear mome...

    Text Solution

    |

  11. Find the mass of 2.5 mole of oxygen atom .

    Text Solution

    |

  12. When an object is placed at 25 cm from a concave lens, a virtual image...

    Text Solution

    |

  13. Calculate the current and the resistance of 100W, 200V electric bulb i...

    Text Solution

    |

  14. Find the speed of sound in air at 23^(@)C. (consider the speed of soun...

    Text Solution

    |

  15. A person with myopia can see objects plaecd at a distance of 4 m. if h...

    Text Solution

    |

  16. The potential difference between two conductor is 110 V. How much work...

    Text Solution

    |

  17. A radon specimen emits radiation of 3.7xx10^(3)GB q pe second. Convert...

    Text Solution

    |

  18. At what speed should a source of sound move away from a stationary obs...

    Text Solution

    |

  19. A 110 V light bulb takes 0.9 A current and operates 12h/day. Determine...

    Text Solution

    |

  20. Calculate the % of each element in calcium carbonate. (Atomic mass: C-...

    Text Solution

    |

  21. A door is pusehd, at a point whose distance from the hinges is 90 cm, ...

    Text Solution

    |