Home
Class 11
PHYSICS
Statement 1: Assertion : A vector can ha...

Statement 1: Assertion : A vector can have zero magnitude if one of its rectangular components is not zero.
Statement 2: Reason : Scalar product of two vectors cannot be a negative quantity.

A

If both Assertion & Reason are Tune & the Reason is a correct explanation of the Assertion. `

B

If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.

C

If Assertion is True but the Reason is False.

D

If both Assertion & Reason are false.

Text Solution

Verified by Experts

The correct Answer is:
4
Promotional Banner

Topper's Solved these Questions

  • BASIC MATHEMATICS USED IN PHYSICS &VECTORS

    ALLEN |Exercise EXERCISE-III CHECK YOUR UNDERSTANDING|15 Videos

  • CENTRE OF MASS

    ALLEN |Exercise EXERCISE-V B|19 Videos

Similar Questions

Explore conceptually related problems

Assertion : The unit vectors hati, hatj and hatk have of distance and dimensions [M^(o)L^(1)T^(o)] . Reason : The product of a scalar and a vector of a new scalar.

Assertion: The dot product of one vector with another vector may be scalar or a vector. Reason: If the product of two vectors is a vector quantity, then product is called a dot product.

Assertion: An object can have constant speed but variable velocity. Reason: Speed is a scalar but velocity is a vector quantity.

Statement-I : A physical quantity can be regarded as a vector, if magnitude as well as direction is associated with it. Statement-II : A physical quantity can be regarded as a scalar quantity, if it is associated with magnitude only.

Assertion : A body can have acceleration even if its velocity is zero at a given instant of time. Reason : A body is momentarily at rest when it reverses its direction of motion.

Statement 1: Unit vector has a unit though its magnitude is one and Statement 2: Unit vector is obtained by dividing a vector by its own magnituded.

Assertion : A body can be at rest even when it is under the action of may number of external forces Reason : Because vector sum of the all external forces is zero .

Statement- 1 : Absolute zero temperature is not the temperature of zero energy. Statement- 2 : Only the intenal kinetic energy of the molecules is represented by temperature.

Find the magnitude of two vectors vecaandvecb , having the same magnitude and such that the angle between them is 60^(@) and their scalar product is (1)/(2) .

Two vectors having equal magnitude of 5 units, have an angle of 60^(@) between them. Find the magnitude of their resultant vector and its angle from one of the vectors.