Home
Class 11
PHYSICS
Assertion: A vector quantity is a quanti...

Assertion: A vector quantity is a quantity that has both magnitude and a direction and obeys the triangle law of addition or equivalent the parallelogram law of addition.
Reason: The magnitude of the resultant vector of two given vectors can never be less than the magnitude of any of the given vector.

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:
3
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

The ratio of maximum and minimum magnitude of the resultant of two vectors vecA and vecB is 3:2. The relation between A and B is

Which of the sets given below may represent the magnitudes of three vectors adding to zero?

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.

Find a vector in the direction of vector veca=hati-2hatj that has magnitude 7 units.

A vector has both magnitude and direaction . Does it mean that anything that has magnitude and direction is necessarily a vector ? The rotation of a body can be specified by the direction of the axis of rotation , and the angle of rotation about the axis . Does that make any rotation a vector ?

Find a vector in the direction of 5hati-hatj+2hatk , which has magnitude 8 units.

Two vectors, both equal in magnitude, have their resultant equal in magnitude of the either. Find the angle between the two vectors.

Read each statement below carefully and state with reasons , if it is true of false : (a) The magnitude of a vector is always a scalar , (b) each component of a vector is always a scalar , (c ) the total path length is always equal to the magnitude of the displacement vector of a particle . (d) the average speed of a either greater or equal to the magnitude of average velocity of the particle over the same interval of time , (e ) Three vectors not lying in a plane can never add up to give a null vector .

A vector has magnitude 5 units. It is parallel to the resultant vectors of vec(a)=2hati+3hatj-hatk and vec(b)=hati-2hatj+hatk . Find this vector.

Assertion: Average speed of a particle in a given time interval is never less than the magnitude of the average velocity. Reason: The magnitude of the velocity (instantaneous velocity) of a particle is equal to its speed.