Home
Class 12
PHYSICS
A man runs towards a mirrorr at a speed ...

A man runs towards a mirrorr at a speed `15m//s.` The speed of the image relative to the man is

A

7.5 m/s

B

15 m/s

C

30 m/s

D

45 m/s

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS

    ERRORLESS |Exercise Refraction of Light at Plane Surfaces|9 Videos
  • RAY OPTICS

    ERRORLESS |Exercise Refraction at Curved Surface|8 Videos
  • MAGNETISM

    ERRORLESS |Exercise Assertion & Reason|1 Videos
  • WAVE OPTICS

    ERRORLESS |Exercise SET|23 Videos

Similar Questions

Explore conceptually related problems

A man runs towards plane mirror at a speed of 15 m/sec. What is the speed of his image?

Daniel walks directly toward a plane mirror at a speed of 0.25 (m)/(s) . Determine the speed of the image relative to him.

A ship is sailing towards east in a traight line motion, with a speed of 10m//s . A man on the deck is moving across it , towards north, with a speed of 6 m//s calculate the velocity of the man relative to the sea.

A monkey is climbing up a tree at a speed of 3 m/s. A dog runs towards the tree with a speed of 4 m/s. What is the relative speed of the dog as seen by the monkey?

A man runs towards a mirror at a rate of 6m s^(-1) . If the mirror is at rest, his image will have a velocity (with respect to man)

A man of mass m is standing on a plank of equal mass m resting on a smooth horizontal surface. The man starts moving on the plank with speed u relative to the plank. The speed of the man relative to the ground is

A man in a balloon throws a stone downwards with a speed of 5 m//s with respect to balloon. The balloon is moving upwards with a constant acceleration of 5 m//s^2 . Then velocity of the stone relative to the man after 2 seconds is.

ERRORLESS -RAY OPTICS-SET
  1. A man runs towards a mirrorr at a speed 15m//s. The speed of the image...

    Text Solution

    |

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

    Text Solution

    |

  3. Three lenses L(1) , L(2) , L(3) are placed co-axially as shown in figu...

    Text Solution

    |

  4. An object is placed at a point distant x from the focus of a convex le...

    Text Solution

    |

  5. The diameter of the eye-ball of a normal eye is about 2.5 cm . The pow...

    Text Solution

    |

  6. In a thin spherical fish bowl of radius 10 cm filled with water of ref...

    Text Solution

    |

  7. A small fish 0.4 m below the surface of a lake is viewed through a sim...

    Text Solution

    |

  8. A water drop in air refractes the light ray as

    Text Solution

    |

  9. Which of the following ray diagram show physically possible refraction...

    Text Solution

    |

  10. Following figure shows the multiple reflections of a light ray along a...

    Text Solution

    |

  11. When the rectangular metal tank is filled to the top with an unknown l...

    Text Solution

    |

  12. A concave mirror and a converging lens (glass with mu = 1.5) both have...

    Text Solution

    |

  13. A ray of light strikes a plane mirror M at an angle of 45^(@) as shown...

    Text Solution

    |

  14. A slab of glass, of thickness 6 cm and refractive index 1.5, is placed...

    Text Solution

    |

  15. A point source of light S is placed at the bottom of a vessel containi...

    Text Solution

    |

  16. A point object is placed midway between two plane mirrors a distance a...

    Text Solution

    |

  17. A convergent beam of light is incident on a convex mirror so as to con...

    Text Solution

    |

  18. PQR is a right angled prism with other angles as 60^(@) and 30^(@). Re...

    Text Solution

    |

  19. When a ray is refracted from one medium to another, the wavelength cha...

    Text Solution

    |

  20. Two this lenses, when in contact, produce a combination of power +10 d...

    Text Solution

    |

  21. The plane faces of two identical plano convex lenses, each with focal ...

    Text Solution

    |