A ship sailing from a river to the sea
sinks less in the sea
sinks more in the sea
neither sinks more nor less in the sea
sinking more or less depends on sea
Correct Answer :
A. sinks less in the sea
Related Questions
At what temperature do the Fahrenheit and Celsius scales give the same reading?
212°
32°
-40°
0°
Warm air will hold more water vapour than cold air because
it is lighter
it has more water vapour in it
its molecules are close together
its molecules are far apart
A car parked in the sun with its windows closed gets terribly hot inside. This is due to
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the good conducting power of the metal body
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A man weighing 50 kg floats on water in a lake. His apparent weight is
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45 kg
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150 kg
The filament lamp is an example for
fluorescence
incandescence
both (a) and (b)
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Who discovered that the Cree Call acceleration Is the same for any object at a given place?
Newton
Pascal
Archimedes
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When the earth reaches its perihelion
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it is nearest to the sun
it is nearest to Pluto
it is farthest from the sun
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a unit of length
a year of no consequence
illumination throughout the year
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power
kinetic energy
momentum
impulse
Of the following types of electromagnetic radiation which has the longest wavelength?
ultraviolet rays
gamma rays
radio waves
infrared waves
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tracing out planets and stars in the sky
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Sound travels fastest in
air
water
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A person does not sink in the Dead Sea because
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of the surface tension due to salt water in the Dead Sea
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Fish and other aquatic creatures can live inside a deep frozen pond because
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ice is a bad conductor of heat
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The device for tracking and locating the position of a moving object in space is called
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The best estimates of the age of the earth comes from the studies of
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changes in radio-active minerals in it
period taken by Sun's light to reach the earth
artificial satellites revolving round the earth
A piece of ice is Boating In water kept in a beaker. When all the ice melts the level of water will
first rise and then fall
fall
remain the same
rise
When we sweat, we feel comfortable under a fan because
the air circulated by the fan is cool
the fan produces convection currents of air
the air circulated by the fan quickens the evaporation of the moisture on our skin
the air takes away the heat from our body
An astronomical unit of distance is
a kilometre
light year
the average distance from the earth to the sun
None of the above
Acoustics is a property or
Physics
Chemistry
Biology
Economic
Which force is used when milk is churned to separate cream?
cohesive
centrifugal
frictional
gravitational
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Newton
Pascal
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When a steel ball is placed on the surface of mercury, it does not sink because
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Daniell cell
Leclanche cell
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a headphone
a phonograph
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radiation from earth's surface
radiogenic heat (resulting from radioactive decay)
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heat up the engine
start the car
moderate the speed
Where does the centre of gravity of a rubber ring lie?
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in the inner surface
at the centre of the ring
None of the above
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wood
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