the mass of its bob
the material of the bob
the amplitude of vibration
acceleration due to the gravity at the site of experiment
D. acceleration due to the gravity at the site of experiment
similar charges of electricity rush towards each other and then get repelled
clouds strike against impurities in air and the friction burns up these impurities
strong opposite charges in different clouds break down the resistance offered by the intervening air
water vapour produces electricity in the clouds
conduction
convection
radiation
absorption
increase
decrease
remain the same
None of the above
mininuclear reactor
a dynamo
a thermopile
solar cells
same number of protons but different number of neutrons
same number of neutrons but different number of protons
the same total number of protons and neutrons
same number of protons and different number of electrons
their heat contents
their masses
their temperatures
whether they are in solid, liquid or gaseous state
radio waves and X-rays
ultraviolet light waves
visible light waves
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
its momentum is halved
its kinetic energy is halved
its acceleration is halved
its potential energy is halved
to stabilise the voltage
to decrease the current supply
to increase the current supply
to prevent an unduly high current from passing through a circuit
will increase
will decrease
will have no change
will either increase or decrease
watt
degree
joule
erg
Mars
Venus
Earth
Mercury
Daniell cell
Leclanche cell
Dry cell
All the above
it is nearest to the moon
it is nearest to the sun
it is nearest to Pluto
it is farthest from the sun
Hygrometer
Hypsometer
Hydrometer
Densimeter
transverse
longitudinal
transverse and longitudinal
neither transverse nor longitudinal
cohesion
adhesion
capillary action
absorption
for automatically maintaining a steady temperature
for measuring electricity
to reduce the voltage of electricity
for producing heat
cools the body that transfers it
heats the body that absorbs the heat
may change the physical state of the substance
All the above
Fusion converts nuclear energy into heat
Fusion demands conditions of extremely high temperature to produce it
Fusion produces large amount of heat
Fusion reactions takes place in the sun
increases
decreases
neither increases nor decreases
first increases then decreases
cohesive forces between the mercury molecules are greater than adhesive forces between mercury and glass molecules
the adhesive forces between mercury and glass molecules are greater than the cohesive forces
both the cohesive and adhesive forces are equal
None of the above
appears to increase
appears to decrease
does not change at all
first increases then decreases
Silver
Copper
Nichrome
Dry wood
the immersed volume of the body
density of the liquid
acceleration due to the gravity at the place
All the above
Mercury and Earth
Earth and Mars
Mars and Saturn
Mars and Jupiter
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
neutrons
electrons
phonons
photons
an erect, virtual image of diminished size
an erect, real image of diminished size
an erect, real image of double size
a virtual image of double size