Home
Class 12
PHYSICS
The unit vector along hati+hatj is :...

The unit vector along `hati+hatj` is :

A

`hatk`

B

`hati+hatj`

C

`(jati+hatj)/sqrt(2)`

D

`(hati+hatj)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

The unit vector along 4hati-hatj+6hatk .

The unit vector along vector hati + hatj + hatk is ………..

If a=hati+2hatj+3hatk,b=-hati+2hatj+hatk and c=3hati+hatj , then the unit vector along its resultant is

If a=2hati+5hatj and b=2hati-hatj , then the unit vector along a+b will be

If hati and hatj are unit vectors along X-and Y-axis respective, then what is the magnitude and direction of hati +hatj and hati - hatj ?

hati and hatj are unit vectors along x and y axis. What is the magnitude and direction of the vector hati + hatj ?

hati and hatj are unit vectors along x-axis and y-axis respectively what is the magnitude and direction of the vector hati+hatj and hati-hatj ? What are the magnitudes of components of a vector veca=2hati+3hatj along the directions of hati+hatj and hati-hatj ?

vecE & vecB in an electromagnetic wave oscillate along the directionhaving unit vectors hatk & (hati - hatj) . Find unit vector along direction of propagation

A vector vec P when added to the sum of the vectors 2hati-3hatj+hatk and -3hati-hatj+hatk gives a unit vector along the x-axis. What is the magnitude of the vector vec P ?

A ray of light in incident along a vector hati + hatj - hatk on a plane mirror lying in y-z plane. The unit vector along the reflected ray can be

ALLEN-BASIC MATHS-EXERCISE-1
  1. The vector sum of the forces of 10 newton and 6 newton can be:

    Text Solution

    |

  2. Vector sum of two forces of 10N and 6N cannot be:

    Text Solution

    |

  3. The unit vector along hati+hatj is :

    Text Solution

    |

  4. What is the projection of vecA on vecB ?

    Text Solution

    |

  5. What is the angle between vecA and the rsultant of (vecAhatB) and (vec...

    Text Solution

    |

  6. The angle between vectors (hati+hatj) and (hatj+hatk) is :

    Text Solution

    |

  7. The angle between two vectors given by (6hati+6hatk) and (7hati+4hatj+...

    Text Solution

    |

  8. Which of the following vector identies is false ?

    Text Solution

    |

  9. If the vectors (hati+hatj+hatk) and 3 hati form two sides of a triangl...

    Text Solution

    |

  10. Which pair of the following forces will never give resultant force of ...

    Text Solution

    |

  11. If hatn=ahati+bhatj is perpendicualr to the vector (hati+hatj), then t...

    Text Solution

    |

  12. Two force each numerically equal to 10 dynes are acting as shown in th...

    Text Solution

    |

  13. What is the component of (3hati+4hatj) along (hati+hatj) ?

    Text Solution

    |

  14. If vecA+ vecB = vecC and A+B+C=0, then the angle between vecA and vec...

    Text Solution

    |

  15. If vecA+veB is a unit vector along x-axis and vecA=hati-hatj+hatk, the...

    Text Solution

    |

  16. What is the value of (vecA+vecB),(vecAxxvecB) ?

    Text Solution

    |

  17. If vecAxxvecB=vec0 and vecBxxvecC=vec0, then the angle between vecA an...

    Text Solution

    |

  18. The resultant of vecA and vecB is perpendicular to vecA. What is the a...

    Text Solution

    |

  19. The resultant of vec(A)+vec(B) is vec(R )(1). On reversing the vector ...

    Text Solution

    |

  20. Given that A=B. What is the angle between (vecA+vecB) and (vecA-vecB) ...

    Text Solution

    |