Micrometer screw gauge is used to measure very small objects to
0.1 cm
0.01 cm
0.001 cm
0.1 mm
The force needed to cause unit extension ie , l m is called
Extension
Stretching force
Force constant
Stretching
What is the mass of 5 m3of cement of density 3000 kg /m3?
150 kg
1500 kg
15000 kg
15kg
An object floats on water
When the object is less denser than water
When the object is denser than water
When the density of object is same as water
Can not be predicted.
Length , mass and time are the
Basic quantities or fundamental quantities
Derived quantities
International quantities
Standard quantities
Which of the following is the standard notation of 0.04?
4 ×10-2
4 × 102
4 × 10-3
4 /102
Number of complete oscillations per second is called
Time period
Length of the pendulum
Frequency
All the above
How many millimeter are there in 0.5 cm ?
5 mm
0.005 mm
50 mm
0.05 mm
Write as power of ten
7 × 10-5
7 × 10-6
7 × 105
7 × 106
The way of writing numbers in powers of ten is called
Standard notation
International system of writing
Metric system of writing
