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
C. A-4 B-3 C-2 D-1
will increase
will decrease
will have no change
will either increase or decrease
generally considered as a desert happening
caused by unequal heating of the several layers of the atmosphere above the desert
in which the refracted rays take a curved path resulting in total internal refection
All the above
Voltmeter
Voltameter
Ammeter
Potentiometer
absorption of a neutron by a nucleus
breakup of the nucleus of a heavy atom into two nearly equal halves emitting two or three neutrons and releasing large amounts of nuclear energy in the process
the scattering of neutrons
formation of heavier nucleus
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
it can be transmitted easily and efficiently
Alternating Current (AC) loses the least amount of energy when transmitted at high voltages
Alternating Current (AC) voltage can be easily increased or decreased
all the above
in air
in an atmosphere of oxygen
in an atmosphere of CO2
in vacuum
will increase
will decrease
will have no change
will either increase or decrease
work is done against gravity
the steepness of the staircase isn't felt
gravity assists
there is no friction between the legs and steps
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
wide and shallow
narrow and shallow
wide and deep
narrow and deep
Voltmeter
Voltameter
Ammeter
Potentiometer
watt
degree
joule
erg
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
alcohol is a poor conductor of heat
alcohol can be coloured for its level to be seen easily
its freezing point is very low
it will not stick to the glass tube
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
high resistance and high melting point
high resistance and low melting point
low resistance and high melting point
low resistance and low melting point
Physics
Chemistry
Biology
Economic
convex mirrors
concave mirrors
convex lens
concave lens
outward stream of protons and electrons on the surface of the sun during solar flares and sun-spot activity
plasma
ionized gas
All of these
3 x 107 ms-1
5 x 108 ms-1
3 x 104 kms-1
3 x 108 ms-1
the same as that of an audible sound
above the audible range
below the audible range
None of the above
cohesive force
surface tension
diffusion
viscosity
remains the same
increases
decreases
None of the above
there is no change in volume
there is no change in temperature
heat is given out
there is no change of state
it is lighter
it has more water vapour in it
its molecules are close together
its molecules are far apart
for automatically maintaining a steady temperature
for measuring electricity
to reduce the voltage of electricity
for producing heat
iris
pupil
ciliary body
cornea
10000 to 20000 Hz
50 to 15000 Hz
20 to 20000 Hz
15 to 50000 Hz
Bhaskara
Insat I-A
Aryabhatta
SLV-l