the immersed volume of the body
density of the liquid
acceleration due to the gravity at the place
All the above
D. All the above
INSAT
Bhaskara
Aryabhatta
All the above
of the surface tension of mercury
mercury is a semi-solid
of the high viscosity of mercury
the density of mercury is greater than that of steel
fish are cold-blooded animals
ice is a bad conductor of heat
there will always be water just beneath the ice level
they can adapt themselves to live in ice
diffusion
viscosity
surface tension
capillarity
a horizontal position
a nearly vertical position with its South Pole downwards
a nearly vertical position with its North Pole downwards
a slanting position
meteors
binaries
variable stars
bright stars
placing it inside a solenoid through which an alternating current is flowing
heating the magnet to redness and then allowing it to cool
dropping it several times or hammering it while lying east-west
All the above
Rutherford
Bohr
Henri Bacquerel
Marie Curie
the curvature of earth limits the range of reception
the signals are weak
the signals are absorbed by air
the antennae are not powerful enough
Nitrogen
Oxygen
Chlorine
Freon
the atoms and molecules lose their identity
nucleus is split into fragments
the nuclear reaction between two light atomic nuclei results in the formation of a heavier nucleus with release of a large quantity of nuclear energy in the process
absorption of neutron by a nucleus
refraction of light from them through air
reflection
absorption
All the above
are electromagnetic waves
can easily pass through vacuum
are always transverse waves
require a material medium for propagation
troposphere
stratosphere
mesosphere
ionosphere
Sun
Jupiter
Mercury
Earth
work is done against gravity
the steepness of the staircase isn't felt
gravity assists
there is no friction between the legs and steps
Jupiter
Mercury
Venus
Sirius
good conductor of heat
good conductor of electricity
bad conductor of electricity
Both (a) and (b) above
Neptune
Uranus
Jupiter
Saturn
absorbs
refracts
reflects
scatters
electricity may not leak
there may be smooth flow of electricity
a short circuit may be prevented
current may pass to the earth in case of a short circuit without doing any harm to the person
light energy into electrical energy
electrical energy into light energy
magnetic energy into electrical energy
electrical energy into mechanical energy
50 kg
45 kg
zero
150 kg
there is more friction on ice than on concrete surface
ice is soft and spongy while concrete is hard
the friction between ice and the feet is less than that between the concrete and the feet
None of them
an altimeter
a fathometer
a hydrometer
a sonometer
Red
Blue
Yellow
Violet
at the middle
at a point away from the hinge (near the rim)
near the hinge
None of the above
A. Manometer | 1. Depth of sea |
B. Audiometer | 2. High temperatures |
C. Pyrometer | 3. Level of human hearing |
D. Fathometer | 4. Pressure of a gas |
A-1 B-4 C-3 D-2
A-4 B-3 C-1 D-2
A-4 B-3 C-2 D-1
A-3 B-4 C-1 D-2
wide and shallow
narrow and shallow
wide and deep
narrow and deep
electroplating
electrotyping
electrolysis
distillation