Weekly Physics MCQ Quiz – CHEMASH
Welcome to the CHEMASH Weekly Physics MCQ Quiz Specially designed for Class 9–12, JEE & NEET 2026 aspirants.
This week: Mechanics Special (Motion + Laws + Work Energy Power)
Instructions
- Each question carries 1 mark
- No negative marking
- Attempt before checking answers
MCQs
1. If acceleration is zero, velocity will be:
A) Zero B) Increasing C) Constant ✔ D) Decreasing
2. Dimensional formula of Force is:
A) [MLT⁻²] ✔ B) [ML²T⁻²] C) [M²LT⁻²] D) [LT⁻²]
3. Work done is zero when:
A) Force = 0 B) Displacement = 0 C) Force ⟂ Displacement ✔ D) All of these ✔
4. Unit of Power is:
A) Joule B) Newton C) Watt ✔ D) Pascal
5. Newton’s First Law is also called:
A) Law of Force B) Law of Inertia ✔ C) Law of Momentum D) Law of Energy
6. KE of a body depends on:
A) Mass B) Velocity C) Both ✔ D) None
7. If net force is zero, momentum:
A) Changes B) Remains constant ✔ C) Becomes zero D) Increases
8. SI unit of Energy is:
A) Watt B) Joule ✔ C) Newton D) Pascal
9. Acceleration due to gravity near Earth is:
A) 9.8 m/s² ✔ B) 10 m/s C) 9.8 N D) 8 m/s²
10. Slope of velocity-time graph gives:
A) Velocity B) Displacement C) Acceleration ✔ D) Force
Answer Key with Explanation
1 → C (Zero acceleration = constant velocity)
2 → A (From F = ma)
3 → D (All cases give zero work)
4 → C (Power = Work/Time)
5 → B (Law of Inertia)
6 → C (KE = ½mv²)
7 → B (Momentum conserved)
8 → B (SI unit is Joule)
9 → A (Standard value)
10 → C (Slope = acceleration)
Performance Tip
Scored 8+? Excellent! Below 6? Revise Motion, Laws of Motion & Work Energy Power.
Why Practice Weekly with CHEMASH?
- Low-budget tuition for all classes
- Experienced & trusted teachers
- Concept + MCQ + Numericals focus
- JEE + NEET + Boards 2026 preparation
- Weekly improvement tracking
Motion in One Dimension
Laws of Motion
Work Energy Power
FAQ
Is this quiz useful for JEE 2026?
Yes. Questions are designed based on competitive exam pattern.
Does CHEMASH provide full mock tests?
Yes. Full-length Physics mock tests are available in tuition batches.
