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
Number of complete oscillations per second is called
Time period
Length of the pendulum
Frequency
All the above
Length ,mass and time are the
Basic quantities or fundamental quantities
Derived quantities
International quantities
Standard quantities
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
The S.I. unit of length is
Km (Kilometre )
m ( metre )
cm ( cent i metre)
mm ( milli metre)
Which of the following is the standard notation of 0.04?
4 Χ 10-2
4 Χ 102
4 Χ 10-3
4 / 102
Name the device used for measuring weight :
Beam balance
Metre scale
Measuring cylinder
Vernier scale
S.I Unit of weight is
Kilogram
newton
Kg / m3
Dyne
The space occupied by an object is called