Home
Class 11
PHYSICS
Assertion : In javelin throw, the athl...

Assertion : In javelin throw, the athlete throws the projectile at an angle slightly more than `45^(@)`.
Reason : The maximum range does not depends upon angle of projection.

A

If both assertion and reason are true and reason is the correct explanation of assertion

B

If both assertion and reason are true but reason is not the correct explanation of assertion

C

If assertion is true but reason is false

D

If both assertion and reason are false

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Motion in a Plane

    SL ARORA|Exercise Example|111 Videos
  • MECHANICS

    SL ARORA|Exercise Exercise|341 Videos
  • MOTION IN ONE DIMENSION

    SL ARORA|Exercise problems for self practice|66 Videos

Similar Questions

Explore conceptually related problems

The range of a projectile at an angle theta is equal to half of the maximum range if thrown at the same speed. The angel of projection theta is given by

The angle of banking of the road does not depend upon

Show that the horizontal range of a projectile is same for two angles of projection . Is the sum of maximum heights for these two angles dependent on the angle of projectile ?

The question given below consist of an assertion and the reason . Use the following key to choose appropriate answer: Assertion: Range of projectile motion is same when particle is projected at an angle theta with the horizontal or at an angle (90^(@) -theta) with the horizontal . Reason : Range of projectile motion depended only on the angle of projection.

Assertion: Horizontal range is same for angle of projection theta and (90^(@)- theta) . Reason : Horizontal range is independent of angle of projection.

The range of a projectile is R when the angle of projection is 40^(@) . For the same velocity of projection and range, the other possible angle of projection is

Show that the horizontal range is maximum when the angle of projection is 45^(@)

Assertion (A) : Alkylated mercury is more toxic than mercury. Reason (R) : The toxicity of the pollutant depends upon the nature of speciation.

Assertion: For projection angle tan^(-1)(4) , the horizontal range and the maximum height of a projectile are equal. Reason: The maximum range of projectile is directely proportional to square of velocity and inversely proportional to acceleration due to gravity.

SL ARORA-Motion in a Plane-Excercise
  1. A car is travelling with linear velocity v on a circular road of radiu...

    Text Solution

    |

  2. Two vectors are given by A=3hati+hatj+3hatk and B=3hati+5hatj-2hatk. F...

    Text Solution

    |

  3. A projectile is given an initial velocity of (hat(i)+2hat(j)) The Car...

    Text Solution

    |

  4. A particle is projected from the ground with an initial speed of v at ...

    Text Solution

    |

  5. Assertion: Two balls of different masses are thrown vertically upward ...

    Text Solution

    |

  6. Assertion : In javelin throw, the athlete throws the projectile at a...

    Text Solution

    |

  7. Assertion : Generally the path of a projectile from the earth is parab...

    Text Solution

    |

  8. Statement (I):The projectile has only vertical component of velocity a...

    Text Solution

    |

  9. In the following questions, a statement of assertion is followed by a...

    Text Solution

    |

  10. In the following questions, a statement of assertion is followed by a...

    Text Solution

    |

  11. Assertion: If dot product and cross product of vec(A) and vec(B) are z...

    Text Solution

    |

  12. Six vectors, vect a through vect f have the magnitudes and directions ...

    Text Solution

    |

  13. If |vec A+ vec B| = |vec A| + |vec B |, then angle between A and B w...

    Text Solution

    |

  14. A bus is moving on a straight road towards north with a uniform speed ...

    Text Solution

    |

  15. If a unit vector is represented by 0.5 hat(i) + 0.8 hat(j) + c hat(k) ...

    Text Solution

    |

  16. The angle between the two vectors vec A= 3 hat i + 4 hat j + 5 hat k a...

    Text Solution

    |

  17. If a vector 2 hat i + 3 hat j + 8 hat k is perpendicular to the vector...

    Text Solution

    |

  18. The magnitudes of vectors vec A, vec B and vec C are 3, 4 and 5 units ...

    Text Solution

    |

  19. The vectors vec A and vec B are such that |vec A + vec B | = |vec A - ...

    Text Solution

    |

  20. The vector sum of two forces is perpendicular to their vector differen...

    Text Solution

    |