Unit 1 โ Physical Quantities & Measurement
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Unit 1 โ Physical Quantities & Measurement
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Question 1 of 10
1. Question
Amount of a substance in terms of numbers is measured in:
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Question 2 of 10
2. Question
An interval of 200u s is equivalent to
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2ร10-4 s
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Question 3 of 10
3. Question
The number of base units in SI are:
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Question 4 of 10
4. Question
Which one of the following unit is not a derived unit?
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Question 5 of 10
5. Question
Significant figures in an expression are :
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Question 6 of 10
6. Question
A student claimed the diameter of a wire as 1.032 cm using Vernier Callipers. Upto what extent do you agree with it?
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Question 7 of 10
7. Question
Which instrument is most suitable to measure the internal diameter of a test tube?
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Question 8 of 10
8. Question
A student noted the thickness of a glass sheet using a screw gauge. On the main scale, it reads 3 divisions while 8 division on the circular scale coincides with index line. Its thickness is:
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Question 9 of 10
9. Question
Which one of the following is the smallest quantity?
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Question 10 of 10
10. Question
A measuring cylinder is used to measure:
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