Home
Class 12
MATHS
The cosine of the angle between any two ...

The cosine of the angle between any two diagonals of a cube is

A

`(1)/(3)`

B

`(1)/(2)`

C

`(2)/(3)`

D

`(1)/(sqrt(3))`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER 2015

    WB JEE PREVIOUS YEAR PAPER|Exercise MULTIPLE CHOICE QUESTIONS|80 Videos

  • QUESTION PAPER 2017

    WB JEE PREVIOUS YEAR PAPER|Exercise Multiple Choice Questions|75 Videos

Similar Questions

Explore conceptually related problems

Find the angle between any two diagonals of a cube.

Prove that the acute angle between two diagonals of a cube is cos^(-1) (1/3) .

The angle between two hands of a clock at 3p.m . is

Find the cosine of the angle between the lines BA and BC where A, B, C are the points (1, 2, 3), (2, 5, -1) and (-1, 1, 2) respectively.

If vec (a) + vec(b) + vec (c ) = vec(0) and |vec(a)| = 6 , |vec (b)| = 4 and |vec(c )| = 3 find the cosine of the angle between the vectors vec(b) and vec(c )

What is the angle between any two adjacent valencies (bond) in the tetrahedral model of carbon?

Find the cosine of the angle between the vectors vec ( a ) = 3 hat (i) + 2 hat (k) and vec(b) = 2 hat (i) - 2 hat (j) + 4 hat (k)

On the number line, the number of rational numbers between any two rational numbers is

If theta is the angle between any two vectors vecaandvecb , then |veca*vecb|=|vecaxxvecb| when theta is equal to

Let y=e^(x^2) and y=e^(x^2) sinx be two given curves. Then the angle between the tangents to the curves any point of their intersectons is

WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2016-MULTIPLE CHOICE QUESTIONS
  1. Let S be the set of points whose abscissas and ordinates are natural n...

    Text Solution

    |

  2. Time period T of a simple pendulum of length l is given by T = 2pi sqr...

    Text Solution

    |

  3. The cosine of the angle between any two diagonals of a cube is

    Text Solution

    |

  4. If x is a positive real number different from 1 such that log(a)x,log(...

    Text Solution

    |

  5. If a, x are real numbers and |a|lt 1, |x|lt 1, then 1+(1+a)x+(1+a+a^(2...

    Text Solution

    |

  6. If log(0.3)(x-1)lt log(0.09)(x-1), then x lies in the interval

    Text Solution

    |

  7. The value of sum(n=1)^(13)(i^(n)+i^(n+1)),i=sqrt(-1) is

    Text Solution

    |

  8. If z(1), z(2), z(3) are complex numbers such that |z(1)|=|z(2)|=|z(3)|...

    Text Solution

    |

  9. If p, q are the roots of the equation x^(2)+px+q=0, then

    Text Solution

    |

  10. The number of values of k for which the equation x^(2)-3x+k=0 has two ...

    Text Solution

    |

  11. The number of ways in which the letters of the word ARRANGE can be per...

    Text Solution

    |

  12. If, (1)/(""^(5)C(r ))+(1)/(""^(6)C(r ))=(1)/(""^(4)C(r )), then the va...

    Text Solution

    |

  13. For +ve integer n, n^(3)+2n is always divisible by

    Text Solution

    |

  14. The coefficient of x^17in the expansion of(x-1)(x-2)(x-3)….(x-18) is

    Text Solution

    |

  15. 1+""^(n)C(1)cos theta+""^(n)C(2)cos 2theta +…+""^(n)C(n) cos n theta e...

    Text Solution

    |

  16. If x, y and z be greater than 1, then the value of |(1,log(x)y,log(x)z...

    Text Solution

    |

  17. Let A is a 3xx3 matrix and B is its adjoint matrix. If |B|=64, then |A...

    Text Solution

    |

  18. Let (("cos"(pi)/(4),-"sin"(pi)/(4)),("sin"(pi)/(4),"cos"(pi)/(4))) and...

    Text Solution

    |

  19. Let R be a relation defined on the set Z of all integers and xRy when ...

    Text Solution

    |

  20. If A={3^(n)-2n-1:n in N} and B={4(n-1):n in N}, then

    Text Solution

    |