Micrometer screw gauge is used to measure very small objects to
0.1 cm
0.01 cm
0.001 cm
0.1 mm
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.
S.I unit of weight is
Kilogram
Newton
Kg /m3
Dyne
What is the mass of 5 m3of cement of density 3000 kg /m3?
150 kg
1500 kg
15000 kg
15kg
The space occupied by an object is called
Mass
Volume
Density
Weight
Number of complete oscillations per second is called
Time period
Length of the pendulum
Frequency
All the above
Magnetic force is an example of
Contact force
Action-at-a-distance force
Gravitational force
Stretching force
The S.I unit of length is
k m ( kilometer)
m ( meter)
cm (centimeter )
mm ( millimeter)
Which of the following is the standard notation of 0.04?
4 ×10-2
4 × 102
4 × 10-3
4 /102
Write as power of ten
7 × 10-5
7 × 10-6
7 × 105
7 × 106