Measurement of Length and Motion — Important Questions
CBSE · Class 6 · Science
39 important questions from Measurement of Length and Motion for CBSE Class 6 Science, with answers. Part of the CBSE Class 6 Science syllabus.
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Important Questions from Measurement of Length and Motion
Which of the following are correct conversions? (Select all correct answers)
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1 m = 100 cm, 1 km = 1000 m, 1 cm = 10 mm, 1 m = 1000 mm
Correct conversions are: 1 m = 100 cm, 1 km = 1000 m, 1 cm = 10 mm, and 1 m = 1000 mm. The incorrect option is 1 km = 100 m (it should be 1000 m).
Which of the following show oscillatory motion? (Select all correct answers)
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A swing moving back and forth, A pendulum, A metal strip vibrating up and down
Oscillatory motion involves moving to and fro about a fixed position. Swings, pendulums, and vibrating strips show this motion. Merry-go-round shows circular motion, and a car shows linear motion.
Why do different people get different measurements when using handspan to measure the same object?
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Because handspans of different people have different sizes
Handspans vary from person to person because people have different hand sizes. This is why we need standard units that are the same for everyone.
Express 2.5 metres in centimetres:
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250 cm
Since 1 m = 100 cm, therefore 2.5 m = 2.5 × 100 = 250 cm.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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