Physics Test
1)
The mechanical energy of the body is the sum of
the
a)
Kinetic energy
b)
Electric energy
c)
Potential energy
d)
Both a and c
2)
The original source of the geothermal energy is
a)
Sun
b)
Moon
c)
Clouds
d)
Earth
3)
Which part of the Salt’s duck donot move?
a)
Balance float
b)
Duck float
c)
Both a and b
d)
None
4)
The dimension of the energy is
a)
LT-2
b)
LT
c)
ML2T-2
d)
MLT-2
5)
The escape velocity of the planet largely
depends upon the
a)
Gravitational constant
b)
Equilibrium constant
c)
Radius of planet
d)
All
6)
Which of the given planet has twice the escape
velocity of Earth?
a)
Jupiter
b)
Neptune
c)
Uranus
d)
Moon
7)
The power of color TV in watts is
a)
100
b)
120
c)
140
d)
160
8)
In which collision, kinetic energy of the body
remains constant
a)
Elastic
b)
Inelastic
c)
Both
d)
None
9)
If a ball is at a height of 10 meters, and is
thrown from height , in how many seconds it reach the ground?
a)
1
b)
2
c)
3
d)
4
10)
A ball is thrown vertically upwards, which of
the following quantity stays constant?
a)
Displacement
b)
Acceleration
c)
Speed
d)
Acceleration
11)
The area between the velocity-time and time axis
is numerically equal to
a)
Acceleration
b)
Speed
c)
Velocity
d)
Distance
12)
What this graph shows?
a)
Constant velocity
b)
Constant acceleration
c)
Constant distance
d)
All
13)
According to Einstein mass equation, 1 kg of
mass has energy in joules is
a)
9*10^15
b)
9*10^17
c)
9*10^16
d)
9*10^14
14)
The addition of vectors can be done by
a)
Triangle method
b)
Parallelogram method
c)
Both a and b
d)
Resultant method
15)
At what angle of two forces having magnitude
equal when the magnitude of their resultant is equal to that magnitude of
either of these forces?
a)
90 degrees
b)
120 degrees
c)
150 degrees
d)
180 degrees
16)
If the resultant of both x-axis and y-axis is
negative, then in which quadrant it lies?
a)
1st
b)
2nd
c)
3rd
d)
4th
17)
The direction of the torque is ______ to the
plane containing both r and F
a)
Parallel
b)
Perpendicular
c)
Both
d)
None
18)
How much percentage of fuel constitute the
launch mass of rocket?
a)
70%
b)
80%
c)
90%
d)
100%
19)
Rocket propulsion follows the newton’s law of
motion
a)
1st
b)
2nd
c)
3rd
d)
4th
20)
The solar energy reaching the earth surface in
kilo watts per meter square is
a)
1
b)
2
c)
1.4
d)
2.4
21)
The common method of conversion of biomass into
fuel is/are
a)
Fermentation
b)
Direct combustion
c)
Both a and b
d)
None
22)
The waste material of biomass during conversion
into fuels is
a)
Good waste
b)
Good source of energy
c)
Good organic fertilizer
d)
Good inorganic fertilizer
23)
Which of the following is non-renewable source
of energy?
a)
Ethanol
b)
Methanol
c)
Biomass
d)
Tar sands
24)
Work-energy principle involved the newton
equation of motion
a)
1st
b)
2nd
c)
3rd
d)
4th
25)
2 kWh has ____ amount of energy
a)
3.6 MJ
b)
7.2 MJ
c)
10.8 MJ
d)
None
26)
The food we eat has that proportion of energy as
petrol
a)
½
b)
1/3
c)
¼
d)
1/5
27)
Electric force is a type of energy
a)
Conservative
b)
Non-conservative
c)
Both
d)
None
28)
At launch angle of 45 degree, the range of
launched projectile is
a)
Vi^2/g
b)
2vi^2/g
c)
Vi^2/2g
d)
None
29)
The approximate weight of 7.5 kilogram mass
sitting on the surface of earth is
a)
7.5 N
b)
75 N
c)
0.75 N
d)
17.5 N
30)
If the speed of object is tripled, its kinetic
energy is
a)
1/9
b)
1/3
c)
6
d)
9
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