Home
Class 11
PHYSICS
A plane glass is placed over a various c...

A plane glass is placed over a various coloured letters (Violet, green, yellow ,red ). The letter which appears to be raised more is

A

red

B

yellow

C

green

D

violet

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Motion in a plane

    TARGET PUBLICATION|Exercise Exercise|340 Videos

  • RAY OPTICS

    TARGET PUBLICATION|Exercise EVALUATION TEST|16 Videos

Similar Questions

Explore conceptually related problems

A plane glass slab is placed over various coloured letters. The letter which appears to be raised the least is

A glass cobe is placed on a white paper having spots of red. Blue, yellow and green colour. Then, the one that appears least raised is

Select the appropriate options and complete the following paragraph. (spectrum, dispersion, grey, green, maximum, minimum, electromagnetic, refraction, optical, intense) Light is an ___ radiation. The process of separation of light into its component colours while passing through a medium is called as of light. The band of coloured components of a sunlight beam is called its ___ Various colours appearing in the spectrum are of the order as violet, indigo, blue, yellow, orange and red. Different colours have different wavelengths which are visible to our eyes i.e., between 400 nm and 700 nm. Red light has ____ wavelength whereas violet light has ____ wavelength.

After cataract operation, a peisun is recommended with concavo-convex spectacles of curvatures 8 cm and 40 cm. Crown glass of refractive indices 1.51 for red and 1.53 for violet colours is used for this. The lateral chromatic aberration occuring due to these glasses is

Find the odd one out. Red colour, Yellow colour, Violet colour, White colour

Assertion: Speed of light in glass is indep[endent of the colour of light. Reason : the violet colour travels faster than the red light in a glass prism.

You are given red and yellow photon of light ,which will carry more energy .

Complete the paragraph Select the appropriate options and complete the following paragraph. (neutral, earth, live, series, _ potential difference, parallel, 220 V, 110 V) There are three types of wires used for domestic connections. The wire which is red or brown in colour through which current enters is called as______ wire. The wire which is blue or black in colour through which current retums is called as_______ wire. The wire which is yellow or green in colour and used for safety purposes is called as________ wire. Various domestic appliances are connected in________ combination so that_______ across every appliance remains the same. In India, the voltage difference between the live and neutral wires is about _______.

A magnifying glass of focal length 10 cms is used to read letters of thickness 0.5 mm held 8 cm away from the lens. Calculate the image size. How big will the letters appear? Can you read the lettersif held 5 cms away from the lens? If yes what size would they appear. If No, why not.

TARGET PUBLICATION-OPTICS-EXERCISE
  1. A ray of light travels from air to water to glass and again from glass...

    Text Solution

    |

  2. A glass cobe is placed on a white paper having spots of red. Blue, yel...

    Text Solution

    |

  3. A plane glass is placed over a various coloured letters (Violet, green...

    Text Solution

    |

  4. An air bubble in a glass slab with refractive index 1.5 (near normal i...

    Text Solution

    |

  5. Two undentical beakers, one filled with water mu = (4)/(3) and the oth...

    Text Solution

    |

  6. In total internal reflection when the angle of incidence is equal to t...

    Text Solution

    |

  7. A diamond sparkles because of its

    Text Solution

    |

  8. A green light is incident from the water to the air-water interface at...

    Text Solution

    |

  9. A light beam is travelling from Region I to Region IV (Refer Figure). ...

    Text Solution

    |

  10. A ray of light passes from a medium A having refractive index 1.6 to t...

    Text Solution

    |

  11. A point object ‘O’ is placed on the axis of a cylindrical piece of gla...

    Text Solution

    |

  12. Focal length of a convex lens is 20 cm and its R.I. is 1.5. It produce...

    Text Solution

    |

  13. An equiconvex lens has power P. It is cut into two symmetrical halves ...

    Text Solution

    |

  14. A plano-convex lens of unknown material and unknown focal length is gi...

    Text Solution

    |

  15. A candle placed 25 cm from a lens forms and image on a screen placed 7...

    Text Solution

    |

  16. Calculate the focal length of a reading glass of a person if his dista...

    Text Solution

    |

  17. A converging beam of rays is incident on a diverging lens. Having pass...

    Text Solution

    |

  18. An object is located 4 m from the first of two thin converging lenses ...

    Text Solution

    |

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

    Text Solution

    |

  20. Two convex lenses of focal lengths f(1)andf(2) form images with magnif...

    Text Solution

    |