The repeated to and fro movement between two positions or states of an object.
a
Oscillation
b
Rotation
c
Translation
d
Geophysics
2
Which one of the following units is not a derived unit?
a
Pascal
b
Kilogram
c
Newton
d
Watt
3
Amount of a substance in terms of numbers is measured in:
a
Gram
b
Kilogram
c
Newton
d
Mole
4
Which of the following numbers show 4 significant digits?
a
9000.8
b
4
c
5174.00
d
0.001248
5
Which of following prefix represents a largest value?
a
mega
b
pico
c
peta
d
kilo
6
Micrometer can be used to measure:
a
Current
b
Force
c
Length
d
Mass
7
The instrument best measures the internal diameter of a pipe is:
a
Screw gauge
b
Vernier Caliper
c
Metre rule
d
Measuring tape
8
Least count of screw gauge is 0.01 mm. If main scale reading of screw gauge is zero and third line of its circular scale coincides with datum line then the measurement on the screw gauge:
a
0 mm
b
3 mm
c
0.03 mm
d
0.3 mm
9
9.483 × 10³ m is the standard form of
a
94.83 m
b
9.483 m
c
948.3 m
d
9483 m
10
Which of the following is a base unit?
a
Pascal
b
Coulomb
c
Meter per second
d
Mole
11
The numbers having one significant digit is:
a
1.1
b
6.0
c
7.1
d
6 × 102
12
Ratio of millimeter to micrometer is:
a
1000 meter
b
0.001 meter
c
1000
d
0.001
13
0.2 mm in units of meters is:
a
9.483 m
b
2 × 10
c
Both A and B
d
None of these
14
The branch of science which deals with the study of properties of matter, energy and their mutual relationship is called:
a
Astronomy
b
Physics
c
Geology
d
Chemistry
15
It is the study of motion of objects, its causes and effects:
a
Mechanics
b
Astrophysics
c
Sound
d
Electromagnetism
16
The repeated to and for movement between two positions or states of an object:
a
Oscillation
b
Heat
c
Mechanics
d
Geophysics
17
The study of the isolated nuclei of an atom is called:
a
Plasma physics
b
Astrophysics
c
Nuclear physics
d
Biophysics
18
Much of the universe is made up of:
a
Solid
b
Liquid
c
Plasma
d
All of above
19
Which one is used to produce pollution free electricity?