मराठी

Read the statement below carefully and state with reason, if it is true or false: Each component of a vector is always a scalar. - Physics

Advertisements
Advertisements

प्रश्न

Read the statement below carefully and state with reason, if it is true or false:

Each component of a vector is always a scalar.

पर्याय

  • True

  • False

MCQ
चूक किंवा बरोबर

उत्तर

This statement is False.

Explanation:

Each component of a vector is also a vector.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Motion in a Plane - Exercises [पृष्ठ ८५]

APPEARS IN

एनसीईआरटी Physics [English] Class 11
पाठ 4 Motion in a Plane
Exercises | Q 5.2 | पृष्ठ ८५

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

State with reasons, whether the following algebraic operations with scalar and vector physical quantities are meaningful:

  1. adding any two scalars,
  2. adding a scalar to a vector of the same dimensions,
  3. multiplying any vector by any scalar,
  4. multiplying any two scalars,
  5. adding any two vectors,
  6. adding a component of a vector to the same vector.

Read the statement below carefully and state with reason, if it is true or false:

The magnitude of a vector is always a scalar.


Read the statement below carefully and state with reason, if it is true or false:

The total path length is always equal to the magnitude of the displacement vector of a particle. 


Can you associate vectors with (a) the length of a wire bent into a loop, (b) a plane area, (c) a sphere? Explain.


Read the statement below carefully and state, with reason and example, if it is true or false:

A scalar quantity is one that can never take negative values.


Read the statement below carefully and state, with reason and example, if it is true or false:

A scalar quantity is one that  does not vary from one point to another in space.


Consider the quantities, pressure, power, energy, impulse, gravitational potential, electrical charge, temperature, area. Out of these, the only vector quantities are ______.


Three vectors A, B and C add up to zero. Find which is false.


If |A| = 2 and |B| = 4, then match the relations in column I with the angle θ between A and B in column II.

Column I Column II
(a) A.B = 0 (i) θ = 0
(b) A.B = + 8 (ii) θ = 90°
(c) A.B = 4 (iii) θ = 180°
(d) A.B = – 8 (iv) θ = 60°

A butterfly is flying with a velocity `4sqrt2` m/s in a North-East direction. The wind is slowly blowing at 1 m/s from North to South. The resultant displacement of the butterfly in 3 seconds is ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×