Simple Pendulum – Class 9 Quiz & Notes for Easy Learning

⏳ Simple Pendulum Quiz – Class 9

Ready to swing into physics? 🌟 Test your understanding of the Simple Pendulum concept with this engaging quiz based on your mindmap! 🕰️🔍

1️⃣ What does a simple pendulum consist of?

a) Spring and mass b) Rigid rod and pivot c) String and bob d) Elastic wire and stone

2️⃣ Time period of a simple pendulum depends on:

a) Mass of the bob b) Amplitude of swing c) Length of string d) Shape of bob

3️⃣ What is the SI unit of time period?

a) meter b) second c) hertz d) joule

4️⃣ Which formula gives the time period (T) of a simple pendulum?

a) T = 2π√(m/g) b) T = 2π√(l/g) c) T = l/g d) T = 2π√(g/l)

5️⃣ What kind of motion does a pendulum show?

a) Circular b) Oscillatory c) Linear d) Random

6️⃣ What happens to the time period if the length of the pendulum is increased?

a) It increases b) It decreases c) Remains same d) It becomes zero

7️⃣ What is the effect of gravity on the pendulum's time period?

a) No effect b) Time period increases with gravity c) Time period decreases with gravity d) Time period doubles with gravity

8️⃣ Which graph correctly shows the relation between T and √l?

a) Linear graph b) Parabolic graph c) Exponential graph d) Circular graph

9️⃣ If a pendulum takes 20 seconds for 10 oscillations, what is its time period?

a) 0.5 s b) 1 s c) 2 s d) 10 s

🔟 In an experiment, which measurement must be as accurate as possible to get correct T?

a) Length of string b) Diameter of bob c) Color of bob d) Shape of string

🗨️ Let’s Reflect!

Did you find this pendulum quiz swinging enough? 🕰️💬 Drop your thoughts below and share which part of the mindmap helped you the most! 😊