Home
Class 11
PHYSICS
A particles falls through a verticle hei...

A particles falls through a verticle height `h` and makes perfectly elsatic impact with a smooth inclined plane of angle `alpha`. The time interval between its first and second impact on the incline

A

is proportional to `h^(-1//2)`

B

is proportiional to `h^(1//2)`

C

is proportional to `1/(cos alpha)`

D

does not depend on `alpha`

Text Solution

Verified by Experts

The correct Answer is:
B, D
Promotional Banner

Topper's Solved these Questions

  • KINEMATICS

    DC PANDEY ENGLISH|Exercise COMPREHENSION_TYPE|13 Videos

  • KINEMATICS

    DC PANDEY ENGLISH|Exercise MATCH THE COLUMN|3 Videos

  • KINEMATICS

    DC PANDEY ENGLISH|Exercise SCQ_TYPE|39 Videos

  • GRAVITATION

    DC PANDEY ENGLISH|Exercise (C) Chapter Exercises|45 Videos

  • KINEMATICS 1

    DC PANDEY ENGLISH|Exercise INTEGER_TYPE|15 Videos

Similar Questions

Explore conceptually related problems

A ball falls freely form a height onto and smooth inclined plane forming an angle a with the horizontal. Find the ratio of the distance between the points at which the jumping ball strikes the inclined plane. Assume the impacts to be elastic.

A ball starts falling freely from a height h from a point on the inclined plane forming an angle alpha with the horizontal as shown. After collision with the incline it rebounds elastically off the plane. Then it again strikes the incline at

A trolley containing a liquid slides down a smooth inclined plane of angle alpha with the horizontal. Find the angle of inclination theta of the free surface with the horizontal.

An object of mass m is released from rest from the top of a smooth inclined plane of height h. Its speed at the bottom of the plane is proportional to

A particle of mass m attached to a string of length l is descending circular motion on a smooth plane inclined at an angle alpha with the horizontal. For the particle to reach the highest point its velocity at the lowest point should exceed.

A ball (initially at rest) falls vertically for 2 s and hits a smooth plane inclined at 30^(@) to the horizontal. The coefficient of restitution is (5)/(8) . The distance along the plane between the first and second impact of the ball is

A body takes 1(1/3) times as much time to slide down a rough inclined plane as it takes to slide down an identical bust smooth inclined plane. If the angle of inclination is 45°, find the coefficient of friction.

(a) Show that the velocity acquired by a particle in sliding down an inclined plane is the same as that acquired by a particle falling freely from frst though a distance equal to the height of the inclined plane. (b) Find the time taken in sliding a particle down the whole length of the incline.

A block released from rest from the top of a smooth inclined plane of angle theta_1 reaches the bottom in time t_1 . The same block released from rest from the top of another smooth inclined plane of angle theta_2 reaches the bottom in time t_2 If the two inclined planes have the same height, the relation between t_1 and t_2 is

A particle is projected from surface of the inclined plane with speed u and at an angle theta with the horizontal. After some time the particle collides elastically with the smooth fixed inclined plane for the first time and subsequently moves in vertical direction. Starting from projection, find the time taken by the particle to reach maximum height. (Neglect time of collision).

DC PANDEY ENGLISH-KINEMATICS-MCQ_TYPE
  1. Trajectories of two projectiles are shown in figure.Let T(1) and T(2) ...

    Text Solution

    |

  2. In a projectile motion let v(x) and v(y) are the horizontal and vertic...

    Text Solution

    |

  3. Choose the correct alternative (s)

    Text Solution

    |

  4. A projectile can have same range R for two angles of projection. It t1...

    Text Solution

    |

  5. A particle is projected up from a point at an angle of 30^(@) with the...

    Text Solution

    |

  6. A particles falls through a verticle height h and makes perfectly elsa...

    Text Solution

    |

  7. A projectile is projected from the ground making an angle of 30^(@) wi...

    Text Solution

    |

  8. A particle is fired from a point on the ground with speed u making an ...

    Text Solution

    |

  9. A particle is projected from ground with velocity 40sqrt(2)m//s at 45^...

    Text Solution

    |

  10. Projectile motion is a combination of two one-dimensional motion: one ...

    Text Solution

    |

  11. If T is the total time of flight, h is the maximum height and R is the...

    Text Solution

    |

  12. A ball is rolled oof along the edge of table (horizontal) with velocit...

    Text Solution

    |

  13. Consider a shell that has a muzzle velocity of 45ms^(-1) fired from th...

    Text Solution

    |

  14. For projectile motion, which of the following graphs is/are corrects.

    Text Solution

    |

  15. Two balls projected at different times have trajectories A and B as sh...

    Text Solution

    |

  16. Two projectiles are launched from a building of height 'h' as shown in...

    Text Solution

    |

  17. A person is a playing a game that requires throwing an object onto a l...

    Text Solution

    |

  18. A projectile is thrown horizontally forma height 'h' a shown in the fi...

    Text Solution

    |

  19. A particle is projected at an angle of theta with the horizontal, with...

    Text Solution

    |

  20. Two projectile are thrown at the same time from two different points. ...

    Text Solution

    |