Chapter 1 - Measurements- 1

Chapter 1 - Measurements- 1

1. The supplementary units are:

a) Neutron & joules
b) Meter & Kilogram
c) Kelvin & Candela
d) Radian & Steradian

2. The error in a measurement may occur due to:-

a) Negligence
b) All of the above
c) Inappropriate method
d) Faulty apparatus

3. 73.650 is rounded off as:-

a) 74.00
b) None of the above
c) 73.7
d) 73.6

4. In any measurement, the accurately known digits and the first doubtful digit are called:-

a) Significant figures
b) doubtful figures
c) Measuring figures
d) Accurately figures

5. The least count of meter rod is:-

a) Can not be zero
b) 0.01 cm
c) Can be zero
d) 0.01 mm

6. Each base quantity is considered a dimension denoted by a specific symbol written within:-

a) Braces bracket
b) None of the above
c) Square brackets
d) Small brackets

7. The term Ö f x l / m has dimensions:-

a) [LT]^-1>
b) [L^-1T]
c) [LT^-1]
d) [LT]

8. How many seconds are there in 1 year?

a) None of the above
b) 31.536 x 10⁷ s
c) 3.1536 x 10⁷ s
d) 0.31536 x 10⁷ s

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