Vernier Calliper Class 9 Quiz | Interactive MCQs on Least Count, Measurement & More

🧪 Measurement, Units & Instruments Quiz

Let's explore how we measure things in science! From meters to kilograms, and thermometers to stopwatches, test your understanding of units and tools with this colorful quiz! 🌈📏⏱️

1️⃣ What does a vernier caliper measure?

a) Length with high precision b) Volume of irregular solids c) Temperature d) Weight

2️⃣ What is the least count of a standard vernier caliper?

a) 1 mm b) 0.01 cm c) 0.1 cm d) 0.001 cm

3️⃣ Which part of a vernier caliper slides?

a) Main scale b) Outer jaw c) Vernier scale d) Internal jaw

4️⃣ Zero error in vernier caliper is observed when:

a) The zero of main and vernier scale do not coincide b) There is a manufacturing defect c) It measures temperature d) The jaws are rusty

5️⃣ The least count is calculated by:

a) MSR ÷ VSD b) VSD - MSR c) VSD ÷ MSR d) 1 MSD - 1 VSD

6️⃣ What is the use of the small lower jaws in a vernier caliper?

a) To measure depth b) To calibrate the scale c) To measure internal diameter d) To measure volume

7️⃣ The reading of the vernier scale that coincides with main scale indicates:

a) Main reading b) Zero error c) Vernier scale division d) Least count

8️⃣ Which part helps in measuring depth using a vernier caliper?

a) External jaws b) Depth rod c) Internal jaws d) Lock screw

9️⃣ Which of the following can be measured by a vernier caliper?

a) Electrical resistance b) Weight of an object c) Density directly d) External/internal dimensions & depth

🔟 Which is NOT a part of a vernier caliper?

a) Micrometer screw b) Vernier scale c) Main scale d) Depth rod

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🗨️ Share Your Thoughts!

Which measuring instrument do you find most fascinating and why? Let us know in the comments below! 😊