Home
Class 12
MATHS
The angle between two diagonals of a cub...

The angle between two diagonals of a cube is

A

`30^(@)`

B

`45^(@)`

C

`cos^(-1) ((1)/(3))`

D

`cos^(-1) ((1)/sqrt(5))`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST PAPER -I

    MODERN PUBLICATION|Exercise SELECT THE CORRECT ANSWER|60 Videos

  • MOCK TEST PAPER -III

    MODERN PUBLICATION|Exercise SELECT THE CORRECT ANSWER|60 Videos

Similar Questions

Explore conceptually related problems

In a rectangle, the angle between the diagonal and a side is 30^(@) and the length of its diagonal is 8 cm. The area of the rectangle is

If the angle between two radii of a circle is 130^(@) , what is the angle between the tangents at the end of the radii ?

Find the angle between two vectors a and b with magnitudes sqrt(3) and 2 respectively, having a.b=sqrt(6) .

The angle between the two asymptotes of the hyperbola (x^(2))/(16)-(y^(2))/(9)=1 is

MODERN PUBLICATION-MOCK TEST PAPER -II-SELECT CORRECT ANSWER
  1. If sin^(-1) a is the acture angle between the curves x^(2) + y^(2) =4x...

    Text Solution

    |

  2. If linear function f(x) and g(x) satisfy int[(3x-1)cosx+(1-2x)sinx]dx=...

    Text Solution

    |

  3. int(sin2x)/(sin^(2)x+2cos^(2)x)dx=

    Text Solution

    |

  4. int(x^(2) + 1)/(x^(4) + 1) dx =

    Text Solution

    |

  5. int(0)^(1) x (1-x)^(3//2) dx=

    Text Solution

    |

  6. int(0)^(pi//4)(sinx+cosx)/(3+sin2x)dx=

    Text Solution

    |

  7. If the are between y=mx^(2) and x= my^(2) (m gt 0 ) is (1)/(4) s...

    Text Solution

    |

  8. The order and degree of the differential equation : [ 1 + ( (d y) ...

    Text Solution

    |

  9. The general solution of the differential equation (dy)/(dx)+y/x=3x is

    Text Solution

    |

  10. The angle between two diagonals of a cube is

    Text Solution

    |

  11. Lines (x-2)/(1)=(y-3)/(1)=(z-4)/(-K) and (x-1)/(K)=(y-4)/(2)=(z-5)/(1)...

    Text Solution

    |

  12. Equatin of line passing through the point (2,3,1) and parallel ...

    Text Solution

    |

  13. Let vec(a) = hat(i) - 2hat(j) +3hat(k) . If vec(b) is a vector such ...

    Text Solution

    |

  14. Let vec(a) = hat(i) - 2hat(j) +3hat(k) . If vec(b) is a vector such ...

    Text Solution

    |

  15. If direction cosines of a vector of magnitude 3 are 2/3 , - 9/3 , 2/3...

    Text Solution

    |

  16. If two dice are thrown simultaneously , then the probability that the ...

    Text Solution

    |

  17. A man takes a step forward with probability 0.4 and one step backw...

    Text Solution

    |

  18. The probability distribution of X is : {(X:,0,1,2,3),(P(X),0.2,k,k,...

    Text Solution

    |

  19. A box contains o red marbles number from 1 through 6 and 4 white ...

    Text Solution

    |

  20. An urn contains nine balls of which three are ed four are blue ...

    Text Solution

    |