Home
Class 12
PHYSICS
Which colour of the light has the longes...

Which colour of the light has the longest wavelength?

A

Violet

B

Red

C

Blue

D

Green

Text Solution

Verified by Experts

The correct Answer is:
B
Wavelength is maximum for red `(lambda_(R ) gt lambda_(G) gt lambda_(B) gt lambda_(V))`.
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS

    ERRORLESS|Exercise Assertion & Reason|30 Videos

  • RAY OPTICS

    ERRORLESS|Exercise NCERT BASED QUESTIONS ( Microscope and Telescope)|34 Videos

  • MAGNETISM

    ERRORLESS|Exercise Assertion and Reason|22 Videos

  • WAVE OPTICS AND ELECTROMAGNETIC THEORY

    ERRORLESS|Exercise ASSERTION & REASON |27 Videos

Similar Questions

Explore conceptually related problems

Which has the longest wavelength

Which of the following colour of white light has the least wavelength ?

Which colour of the spectrum has (a) longest wavelength, and (b) shortest wavelength ?

Which colour of light has the shorter wavelength-red or violet ?

Which element will exhibit the photoelectric effect with light of the longest wavelength?

Which of the following has the longest life span ?

Moving with the same velocity . One of the following has the longest deBroglie wavelength

Which one of the following state has the longest coastline ?

ERRORLESS-RAY OPTICS-PAST YEARS QUESTIONS
  1. The refractive index of the material of a prism is sqrt(2) and the ang...

    Text Solution

    |

  2. Pick the wrong answer in the context with rainbow.

    Text Solution

    |

  3. Which colour of the light has the longest wavelength?

    Text Solution

    |

  4. Identify the wrong description of the above figures

    Text Solution

    |

  5. For a normal eye, the cornea of eye provides a converging power of 40 ...

    Text Solution

    |

  6. A person can see objects clearly only when they lie between 50cm and ...

    Text Solution

    |

  7. A wire mesh consisting of very small squares is viewed at a distance o...

    Text Solution

    |

  8. We wish to see inside an atom. Assuming the atom to have a diameter of...

    Text Solution

    |

  9. A telescope has an objective lens of focal length 200cm and an eye pie...

    Text Solution

    |

  10. If the focal length of objective lens is increased then magnifying pow...

    Text Solution

    |

  11. In an astronomical telescope in normal adjustment a straight black lin...

    Text Solution

    |

  12. An astronomical telesope has objective and eyepiece of focal lengths 4...

    Text Solution

    |

  13. An astronaut is looking down on earth's surface from a space shuttle a...

    Text Solution

    |

  14. On observing light from three different stars P, Q and R, it was found...

    Text Solution

    |

  15. The ratio of resolving powers of an optical microscope for two wavelen...

    Text Solution

    |

  16. An astronomical refracting telescope will have large angular magnific...

    Text Solution

    |

  17. A ray is incident at an angle of incidence i on one surfcae of a small...

    Text Solution

    |

  18. Assume that light of wavelength 600 nm is coming from a star. The limi...

    Text Solution

    |

  19. A lens of large focal length and large aperture is best suited as an o...

    Text Solution

    |

  20. A convex lens A of focal length 20cm and a concave lens G of focal le...

    Text Solution

    |