Answer available
Class 9 · Physics · Measurements and Experimentation
State the factors on which the time period of a simple pendulum depends and those on which it does not.
3 marksMediumShort answer
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10 questions
- Answer available
Class 9 · Physics · Measurements and Experimentation
Why is the simple pendulum used to measure time, and what is meant by an oscillation?
3 marksMediumShort answer
- Answer available
Class 9 · Physics · Measurements and Experimentation
The length of a seconds pendulum is about 100 cm. What is its time period, and what does the name mean?
3 marksMediumNumerical
- Answer available
Class 9 · Physics · Measurements and Experimentation
Name the seven fundamental quantities of the SI system and their units.
2 marksEasyShort answer
- Answer available
Class 9 · Physics · Measurements and Experimentation
The main scale division of a vernier calliper is 1 mm and its vernier has 10 divisions. Find its least count.
3 marksMediumNumerical
- Answer available
Class 9 · Physics · Measurements and Experimentation
What is meant by the least count of an instrument? State the least count of vernier callipers and of a screw gauge.
3 marksMediumShort answer
- Answer available
Class 9 · Physics · Measurements and Experimentation
A pendulum of length 1 m has a time period of 2 s. What length would give a time period of 1 s?
3 marksMediumNumerical
- Answer available
Class 9 · Physics · Measurements and Experimentation
Convert 72 km h−1 into m s−1.
2 marksEasyNumerical
- Answer available
Class 9 · Physics · Measurements and Experimentation
A simple pendulum has a time period of 2 s. Calculate its frequency.
2 marksEasyNumerical
- Answer available
Class 9 · Physics · Measurements and Experimentation
The SI unit of pressure is:
1 markEasyMCQ