The expression for orbital speed of artificial satellite is
The expression for orbital speed of artificial satellite is
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Physics MCQS
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The height of a geostationary satellite above the equator is
The height of a geostationary satellite above the equator is
6 x 1024m | |
3.6 x 107m | |
6.4 x 106m | |
3.6 x 10-7m |
The energy released by burning 1 litre of petrol is
The energy released by burning 1 litre of petrol is
5 x 107J | |
1000 J | |
4 x 105J | |
7 x 105J |
The unit of Impulse is
The unit of Impulse is
Newton | |
Joule-sec | |
Newton-sec | |
Joule |
If the range of projectile is half to its maxim...
If the range of projectile is half to its maximum range, the angle of projection is
22.5° | |
30° | |
45° | |
15° |
The moment of force is called
The moment of force is called
Angular momentum | |
Torque | |
Impulse | |
Force |
Light year is the unit of
Light year is the unit of
Light Intensity | |
Time | |
Distance | |
Speed of light |
A body has translatory motion if it moves along a
A body has translatory motion if it moves along a
Straight Line | |
Circle | |
Curved Line | |
Line Without Rotation |
Centre of gravity of sphere is at
Centre of gravity of sphere is at
Radius of Sphere | |
Centre of Sphere | |
Outside of Sphere | |
None of These |
The unit of rate of conduction of thermal energy is
The unit of rate of conduction of thermal energy is
K | |
J K -1 | |
J s -1 | |
J |
A force of 10 N is making an angle of 30° with the horizontal. Its horizontal component will be
A force of 10 N is making an angle of 30° with the horizontal. Its horizontal component will be
4 N | |
5 N | |
7 N | |
8.7 N |
The unit of Gravitational Constant G is
The unit of Gravitational Constant G is
Kg | |
Nm Kg-1 | |
Nm-2 Kg -2 | |
Nm2 Kg -2 |
Mathematically first condition of equilibrium is represented as
Mathematically first condition of equilibrium is represented as
Σ N = 0 | |
Σ R = 0 | |
Σ t = 0 | |
Σ F = 0 |
Land Breeze blows from
Land Breeze blows from
Land to Sea During Night | |
Sea to Land During Night | |
Land to Sea During The Day | |
Sea to Land During the Day |
Which is an example of a longitudinal wave.
Which is an example of a longitudinal wave:
Radio wave | |
Water Wave | |
Sound wave | |
Light wave |
What happens to the intensity or the brightness of lamps connected in series as more and more lamps are added.
What happens to the intensity or the brightness of lamps connected in series as more and more lamps are added:
Decreases | |
Cannot be predicted | |
Increases | |
Remains the same |
The relation between velocity, frequency and wavelength of a wave is.
The relation between velocity, frequency and wavelength of a wave is:
f ? = v | |
v? = f | |
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vf = ? |
The presence of a magnetic field can be detected by a.
The presence of a magnetic field can be detected by a:
Small mass | |
Magnetic compass | |
Stationary positive charge | |
Stationary negative charge |
The index of refraction depends on.
The index of refraction depends on:
The speed of light | |
The object distance | |
The focal length | |
The image distance |
The cathode ray oscilloscope consists of main parts.
The cathode ray oscilloscope consists of main parts:
Five | |
Two | |
Four | |
Three |