Question Paper
Class / Subject: Class 9 (ICSE) · Physics
Chapter: Chapter 1 — Chapter 1: Measurements and Experimentation
Time Allowed: 32 minutes
Max Marks: 16
1. What is the SI unit of length? [1]
(A) Metre
(B) Kilogram
(C) Second
(D) Litre
2. What is a Vernier calliper's accuracy? [1]
(A) 0.01cm
(B) 1cm
(C) 0.001cm
(D) 10cm
3. What is a screw gauge's accuracy? [1]
(A) 0.001cm
(B) 0.01cm
(C) 1cm
(D) 10cm
4. What is a systematic error? [1]
(A) A consistent, repeatable error
(B) A random, unpredictable error
(C) No error at all
(D) Only a human mistake
5. What is a random error? [1]
(A) An unpredictable variation
(B) A consistent, repeatable error
(C) No error at all
(D) Only equipment failure
6. Why minimise measurement errors? [1]
(A) For accurate, reliable results
(B) No reason
(C) It's not important
(D) Only for tests
7. What ensures reliable scientific results? [1]
(A) Proper experimental technique
(B) Guessing randomly
(C) Ignoring measurements
(D) Skipping repeated measurements
8. Why learn precise measurement techniques? [1]
(A) Fundamental to scientific investigation
(B) No reason
(C) It's not useful
(D) Only for tests
9. What is the SI unit of length? [1]
(A) Metre
(B) Kilogram
(C) Second
(D) Litre
10. What is a Vernier calliper's accuracy? [1]
(A) 0.01cm
(B) 1cm
(C) 0.001cm
(D) 10cm
11. What is a screw gauge's accuracy? [1]
(A) 0.001cm
(B) 0.01cm
(C) 1cm
(D) 10cm
12. What is a systematic error? [1]
(A) A consistent, repeatable error
(B) A random, unpredictable error
(C) No error at all
(D) Only a human mistake
13. What is a random error? [1]
(A) An unpredictable variation
(B) A consistent, repeatable error
(C) No error at all
(D) Only equipment failure
14. Why minimise measurement errors? [1]
(A) For accurate, reliable results
(B) No reason
(C) It's not important
(D) Only for tests
15. What ensures reliable scientific results? [1]
(A) Proper experimental technique
(B) Guessing randomly
(C) Ignoring measurements
(D) Skipping repeated measurements
16. Why learn precise measurement techniques? [1]
(A) Fundamental to scientific investigation
(B) No reason
(C) It's not useful
(D) Only for tests