Class 9 Physics · Chapter 2 · Test 1
Scalars, Vectors and Motion
25 MCQs • Practice fundamental concepts and definitions from Class 9 Physics Chapter 2: Mechanics according to the supplied textbook content.
25 questions · 20 min · 25 marks
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Sample questions
The first 5 of 25. Try each one, then tap to see the answer.
Question 1
Which branch of physics deals with the motion of objects and the forces that change it?
- AOptics
- BMechanics
- CThermodynamics
- DElectronics
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Answer: B
Mechanics deals with motion and the forces that change it.
Question 2
Which branch of mechanics studies motion without referring to forces?
- ADynamics
- BKinematics
- CStatics
- DOptics
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Answer: B
Kinematics studies motion without considering the forces causing it.
Question 3
Which branch of mechanics deals with forces and their effects on motion?
- AKinematics
- BDynamics
- COptics
- DAcoustics
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Answer: B
Dynamics deals with forces and their effects on motion.
Question 4
What is a scalar quantity?
- AA quantity with direction only
- BA quantity with magnitude only
- CA quantity with magnitude and direction
- DA quantity without a unit
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Answer: B
A scalar quantity is completely described by its magnitude.
Question 5
What is a vector quantity?
- AA quantity with magnitude only
- BA quantity with direction only
- CA quantity with magnitude and direction
- DA quantity with neither magnitude nor direction
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Answer: C
A vector quantity requires both magnitude and direction for complete description.
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