increase
decrease
remain the same
first decrease and then increase
B. decrease
Volts
Amperes
ohms
coulombs
kinetic energy
potential energy
acceleration
All the above
short sight
long sight
astigmatism
presbyopia
decreases
increases
remains the same until all the ice has melted and then increases
remains the same
Parabolic
Convex
Concave
Plain
the nature of the radiating surface
area of the radiating surface
temperature difference between the body and the surroundings
All the above
10000 to 20000 Hz
50 to 15000 Hz
20 to 20000 Hz
15 to 50000 Hz
a microscope
a telescope
a stereoscope
a spectroscope
INSAT
Bhaskara
Aryabhatta
All the above
a kilometre
light year
the average distance from the earth to the sun
None of the above
warm and moist
cool and dry
warm and dry
cool and moist
electromagnetic radiations
helium nuclei
negatively charged particles
neutral particles
a hydrometer
a manometer
a lactometer
an anemometer
velocity
wavelength
frequency
Both (a) and (b) above
velocity
momentum
acceleration
angular velocity
pouring ice cold water into the inner tumbler
pouring ice cold water on the outer tumbler
pouring hot water into the inner tumbler
dipping both the tumblers in hot water
glass allows the heat radiations of shorter wavelengths from the sun to pass through
the plants absorb them - these shorter wavelengths - and reradiate them in the form of longer wavelengths
the longer wavelengths cannot penetrate through the glass walls
All the above
Daniell cell
Leclanche cell
Dry cell
All the above
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
fluorescence
incandescence
both (a) and (b)
None of these
Lens
Iris
Retina
Eyelid
viscosity
surface tension
friction
elasticity
electric current - ampere
resistance - Ohm
electric power - volt
electric charge Coulomb
sterilising food stuff
controlling pests
cancer therapy
All of these
Newton
Pascal
Archimedes
Galileo
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
absorbs
refracts
reflects
scatters
loudness
pitch
quality or timbre
All the above
Bhaskara
Insat I-A
Aryabhatta
SLV-l
it is nearest to the moon
it is nearest to the sun
it is nearest to Pluto
it is farthest from the sun