Attempt all questions. Time: 1 hour, M.M. 30
Question numbers 1 to 7 carry 1 mark each.
Question numbers 8 to 12 carry 2 mark each.
Question numbers 13 to 15 carry 3 marks each.
Question number 16 carries 4 marks.
Q1: Which of the following is the standard unit of length in the International System of Units (SI)? (1 Mark)
A. Foot
B. Inch
C. Meter
D. Yard
Q2: What instrument is used to measure the length of curved objects? (1 Mark)
Q3: The SI unit of length is __________. (1 Mark)
Q4: What is the disadvantage of using body parts like handspan or foot for measurement? (1 Mark)
A. Measurements vary from person to person
B. It is quick
C. It is accurate for everyone
D. It is used only for large measurements
Q5: What is the motion of an object called when it moves along a circular path? (1 Mark)
Q6: When is an object said to be in motion? (1 Mark)
Q7: The smallest unit of length that can be measured using a 15-cm scale is __________. (1 Mark)
Q8: Give two examples of circular motion. (2 Mark)
Q9: How should a scale be used to accurately measure length? (2 Mark)
Q10: Why is using standard units of measurement important? (2 Mark)
Q11: Compare linear motion and oscillatory motion, providing examples for each. (2 Marks)
Q12: How would you measure the length of a curved line? Explain the method used. (2 Marks)
Q13: How were measurements using body parts considered inconsistent? (3 Marks)
Q14: How does the reference point help in determining whether an object is in motion or at rest? Provide an example. (3 Marks)
Q15: Define motion. What are the different types of motion? (3 Marks)
Q16: How do different measuring instruments (e.g., metre scale, measuring tape, and thread) help in measuring various objects accurately? Explain with examples of when each instrument would be used. (4 Marks)
25 videos|199 docs|12 tests
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1. What are the common units of measurement for length used in everyday life? | ![]() |
2. How do you convert between different units of length? | ![]() |
3. What is the significance of measuring length in science and daily activities? | ![]() |
4. What tools can be used to measure length accurately? | ![]() |
5. How does motion relate to the measurement of length? | ![]() |