The planet that spins Caster than any other planet is
Saturn
Jupiter
Earth
Mercury
Correct Answer :
B. Jupiter
Related Questions
Which of the following pairs is not correct?
Television - Baird
Transistor ~ Shockley
Thermometer - Celsius
Barometer Torricelli
Cyclotron is an apparatus used
as an accelerator for imparting energies to charged particles of atomic magnitudes
to reduce the charge on a particle
to produce intense magnetic field
to produce intense electrical field
Which is the densest planet of the solar system?
Sun
Jupiter
Mercury
Earth
Which of the following rays has the highest penetrative power?
�± -rays
�² -rays
�³ -rays
X-rays
In the electrical circuit of a house the fuse acts as
a thermopile
a load
a step down device
a safety device
The velocity required to place a vehicle in orbit round the moon is _________ that required to place it in orbit round the earth.
less than
greater than
equal to
greater than or equal to
The Cact that the compass needle does not point true north was observed first by
Sir Isaac Newton
Columbus
Archimedes
Thomas Alva Edison
The star nearest to the sun is
Proxima Centauri
Sirius
Aldebaran
Vega
In compact porous soil, the rising of the water is due to
capillarity
cohesion
adhesion
viscosity
The colour or an opaque object is due to the colour it
absorbs
refracts
reflects
scatters
Alpha particles are
electromagnetic radiations
helium nuclei
negatively charged particles
neutral particles
A balloon ruled with hydrogen will
continue going upwards uninterrupted
reach a particular height and remain floating
burst after reaching some height
reach a particular height and start coming down
An electric kettle used for boiling hard water has a white scale deposited on its heating element. This consists or
sugar
sodium carbonate
common salt
carbonates of calcium and magnesium
A man stands in a lift which accelerates upwards. The resultant reaction force on the floor of the lift is
greater than the weight of the man
less than the weight of the man
same as the weight of the man
zero
To get 5 images of a single object one should have two plane mirrors inclined at an angle of
72°
60°
36°
90°
Which of the following is not electromagnetic waves?
heat waves
sound waves
radio waves
light waves
The enormous energy released in nuclear and thermonuclear reactions is due to conversion of
chemical energy into heat energy
mechanical energy into heat energy
protons into neutrons
mass into energy according to Einstein's equation
A light year means
a unit of time
a unit of length
a year of no consequence
illumination throughout the year
The loudness of a sound is determined by
Frequency
Amplitude
Speed
Wavelength
Which force is used when milk is churned to separate cream?
cohesive
centrifugal
frictional
gravitational
Increase in pressure
increases the melting point of ice
decreases the melting point of ice
has no effect on the melting point of ice
increases the volume of the ice
The fact that two large ships travelling on close parallel courses in the same direction tend to move towards each other can be explained by
Bernoulli's principle
Magnetic properties of the ship's material
Newton's third law of motion
Earth's gravitational force
Powder clings to the skin because of
cohesion
adhesion
capillary action
absorption
Drinks kept in a vacuum flask remain hot or cold as the case may be for a long time because
both walls are silvered on the vacuum side
there is vacuum between the double walls
the cork is a poor conductor of heat
of all the above
A piece of cork la embedded inside an ice block which floats in water. What will happen to the level of water when all ice melts?
It will go down
It will come up
It will remain at the same level
First it will go down and it will come up
An electric kettle used for boiling hard water has a white scale deposited on its heating element. This consists or
sugar
sodium carbonate
common salt
carbonates of calcium and magnesium
The number of galaxies that are visible without telescope on clear dark nights and away from bright lights is
one
two
three
infinite
The period of oscillation of a simple pendulum depends upon
the mass of its bob
the material of the bob
the amplitude of vibration
acceleration due to the gravity at the site of experiment
The brightest planet in the Solar System is
Jupiter
Mercury
Venus
Sirius
An electric fan converts
electrical energy into heat energy
electrical energy into mechanical energy
mechanical energy into electrical energy
mechanical energy into heat energy