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
The force of gravity on a body is called
Mass
Weight
Density
Volume
Express 0.084 as powers of ten with one figure before the decimal point .
8.4 Χ 102
8.4 Χ 103
8.4 Χ 10-2
8.4 Χ 10-3
How many millimeter are there in 0.5 cm ?
5 mm
0.005 mm
50 mm
0.05 mm
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
Length ,mass and time are the
Basic quantities or fundamental quantities
Derived quantities
International quantities
Standard quantities
Number of complete oscillations per second is called
Time period
Length of the pendulum
Frequency
All the above
Name the device used for measuring weight :
Beam balance
Metre scale
Measuring cylinder
Vernier scale
Micrometer screw gauge is used to measure very small object to
0.1 cm
0.01 cm
0.001 cm
0.1 mm
Mass per unit volume of a substance is called
Work
Stretching