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Physics Chapter 1 (Topic7 : scalar and vector)
Differentiate between scalar and vector quantities.
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Which statement best defines a scalar quantity?
Reasoning: Scalar quantities are fully described by magnitude alone.
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Which of the following is a vector quantity?
Reasoning: Displacement has both magnitude and direction.
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Which pair contains only scalar quantities?
Reasoning: Mass and energy have magnitude only.
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Which physical quantity requires direction for complete description?
Reasoning: Velocity is a vector; direction is necessary.
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Which of the following is NOT a vector quantity?
Reasoning: Speed has only magnitude.
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Which statement is correct about scalar quantities?
Reasoning: Scalars are described by magnitude alone.
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Which of the following is an example of vector quantity in daily life?
Reasoning: Displacement includes magnitude and direction.
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Which of the following is a scalar quantity?
Reasoning: Distance has no direction.
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What is essential for representing a vector graphically?
Reasoning: Vectors are represented using arrows.
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In vector representation, the arrow length represents:
Reasoning: Length of arrow shows size of vector.
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The arrowhead of a vector shows:
Reasoning: Arrowhead indicates direction.
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Which of the following is NOT required to define a scalar quantity?
Reasoning: Scalars do not require direction.
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Which pair is correctly classified?
Reasoning: Distance is scalar; displacement is vector.
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Which of the following has both magnitude and direction?
Reasoning: Displacement is directional.
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Why is speed considered scalar?
Reasoning: Speed has no direction component.
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Reasoning: Force has magnitude and direction.
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Which statement is correct?
Reasoning: Scalar = magnitude only
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Reasoning: Mass is scalar.
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In vector diagrams, equal vectors have:
Reasoning: Both properties must match.
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Which is the correct comparison?
Reasoning: Scalars are magnitude-based only.
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Which quantity changes when direction changes but magnitude remains same?
Reasoning: Vectors depend on direction.
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Which of the following is a scalar pair?
Reasoning: Both are magnitude-only quantities.
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What happens to a vector if only its direction changes?
Reasoning: Direction change means different vector.
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Which physical quantity is independent of direction?
Reasoning: Speed is scalar.
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Which tool is used to add vectors graphically?
Reasoning: Vectors are added using head-to-tail method.
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Which statement is false?
Reasoning: Scalars do not have direction.
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Which of the following is a vector quantity in motion?
Reasoning: Displacement includes direction.
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Why is velocity different from speed?
Reasoning: Velocity includes direction.
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Which is the correct graphical representation of a vector?
Reasoning: Vectors are shown as arrows.
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Which quantity cannot be shown using an arrow?
Reasoning: Distance is scalar, no direction.
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A vector of greater magnitude is represented by:
Reasoning: Length shows magnitude.
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Which of the following best describes scalar quantities in physics?
Reasoning: Scalars need only magnitude.
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Which of the following is NOT used in vector representation?
Reasoning: Color is irrelevant in physics vectors.
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Which is a correct real-life vector example?
Reasoning: A vector has both magnitude & direction and 20 m/s north includes both.
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Which statement correctly compares scalar and vector quantities?
Reasoning: This is the fundamental distinction.
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