Magnetic force is an example of
Contact force
Action-at-a-distance force
Gravitational force
Stretching force
Mass per unit volume of a substance is called
Work
Weight
Density
Stretching
Number of complete oscillations per second is called
Time period
Length of the pendulum
Frequency
All the above
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.
Micrometer screw gauge is used to measure very small objects to
0.1 cm
0.01 cm
0.001 cm
0.1 mm
The way of writing numbers in powers of ten is called
Standard notation
International system of writing
Metric system of writing
The space occupied by an object is called
Mass
Volume
Express 0.084 as powers of ten with one figure before the decimal point
8.4 × 102
8.4 × 103
8.4 × 10-2
8.4 × 10-3
The force of gravity on a body is called
Name the device used for measuring weight.
Beam balance
Meter scale
Measuring cylinder
Vernier scale
