Micrometer screw gauge is used to measure very small object to
0.1 cm
0.01 cm
0.001 cm
0.1 mm
Write as power of ten ;
7 Χ 10-5
7 Χ 10-6
7 Χ 105
7 Χ 106
The space occupied by an object is called
Mass
Volume
Density
Weight
Name the device used for measuring weight :
Beam balance
Metre scale
Measuring cylinder
Vernier scale
The way of writing numbers in powers of ten is called
Standard notation
International system of writing
Metric system of writing
All the above
S.I Unit of weight is
Kilogram
newton
Kg / m3
Dyne
What is the force constant of a spring which is stretched 2mm by a force of 4N?
2 Χ 10-3
2 Χ 103
4 Χ 10-3
4 Χ 103
The simplest type enables a length to be measured to 0.01 cm is
Common meter scale
Micro meter screw gauge
Simple pendulum
How many millimeter are there in 0.5 cm ?
5 mm
0.005 mm
50 mm
0.05 mm
Number of complete oscillations per second is called
Time period
Length of the pendulum
Frequency