Checked by:_______________ Rechecked by:_____________ Sign Invigilator:_____________
Q1. Circle the correct answer. (10)
1. Kilo means:
a) 10th times b) 100th times c) 1000th times d) 10000th times
2. The quantities which can be measured are called:
a) Vector quantities b) Chemical quantities c) Physical quantities d) Mechanical quantities
3. A measuring cylinder is used to measure the:
a) Volume of a liquid b) Quantity of a liquid c) Unit of a liquid d) Condition of a liquid
4. Physical quantities are:
a) Magnitude b) Unit c) Direction d) Magnitude and unit
5. Measuring instruments are used to measuring some:
a) Chemical quantities b) Physical quantities c) Vector quantities d) Mechanical quantities
6. Flask is made of:
a) Glass b) Plastic c) Iron d) Glass or plastic
7. A length of 60mm is equal to:
a) 0.6m b) 0.06m c) 0.006m d) 0.0006m
8. Sub-multiple of time:
a) 100cm b) 10-3g c)10-3kg d) 10-4s
9. Centi means:
a) 10th part b) 100th part c) 1000th part d) 10000th part
10. A particular unit of volume is:
a) litre b) mL c) mm2 d)mL3
Q2.Write short answers to these questions: (15)
1.How parallax error occur?
2.What are measuring instruments?
3.The height of a student is 150 cm .What is his height in meters?
5. What do you know about prefix?