Home
Class 7
PHYSICS
State whether the following statements a...

State whether the following statements are true or false :
White light (like sunlight) consists of a mixture of lights of seven colours.

Promotional Banner

Topper's Solved these Questions

  • HEAT

    LAKHMIR SINGH & MANJIT KAUR|Exercise EXERCISE|101 Videos

  • MOTION AND TIME

    LAKHMIR SINGH & MANJIT KAUR|Exercise EXERCISE|108 Videos

Similar Questions

Explore conceptually related problems

State whether the following statements are true or false Air is transparent

State whether the statements are true or false axxb=bxxa

State whether the statements are true or false a-:a=b-:a

State whether the statements are true or false a-b=b-a

State whether the following statements are true or false Chalk dissolves in water

State whether the following statements are true or false : Like charge attract each other.

State whether the statements are true or false a-:(-b)=-(a-:b)

LAKHMIR SINGH & MANJIT KAUR-LIGHT-EXERCISEE
  1. State whether the following statements are true or false : The imag...

    Text Solution

    |

  2. A concave lens always forms a virtual image. True/False

    Text Solution

    |

  3. State whether the following statements are true or false : White lig...

    Text Solution

    |

  4. What type of mirror is the : back-side surface of a shining steel s...

    Text Solution

    |

  5. What type of mirror is the : inside-surface of a shining steel spoo...

    Text Solution

    |

  6. Which mirror is used : as a shaving minor ?

    Text Solution

    |

  7. Which mirror is used : as a rear-view mirror in vehicles ?

    Text Solution

    |

  8. What is the shape of the 'dish' of a dish antenna used for receiving T...

    Text Solution

    |

  9. Which mirror always forms virtual and erect image which is smaller tha...

    Text Solution

    |

  10. Which type of lens forms always a virtual image ?

    Text Solution

    |

  11. What is the position of the object for which the image formed by a con...

    Text Solution

    |

  12. Which type of mirrors are used by doctors for examining the eyes, ears...

    Text Solution

    |

  13. What is the other name of a diverging lens ?

    Text Solution

    |

  14. What is the other name of a converging lens ?

    Text Solution

    |

  15. Which of the two diverges a beam of parallel rays of light : convex le...

    Text Solution

    |

  16. Name the lens which can concentrate sun's rays to a point and burn a h...

    Text Solution

    |

  17. Which of the mirrors is converging: concave or convex?

    Text Solution

    |

  18. Where should an object be placed in order of to use a convex lens as a...

    Text Solution

    |

  19. If the image formed by a lens is always virtual, erect and smaller tha...

    Text Solution

    |

  20. Which type of lens can form real and inverted images, as well as virtu...

    Text Solution

    |