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
decreasing the radius of the capillary tube
increasing the radius of the capillary tube
increasing the height of water in the vessel
None of these
velocity
wavelength
frequency
Both (a) and (b) above
no charge
positive charge
negative charge
can't be said
Marconi
Baird
John Bardeen, Walter H. Brattain and William Shockley
Edison
it absorbs sun's rays
it reflects sun's rays
it retains the heat inside by the greenhouse effect
it radiates heat better than metals
Volts
Amperes
ohms
coulombs
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
conduction
convection
radiation
sublimation
are electromagnetic waves
can easily pass through vacuum
are always transverse waves
require a material medium for propagation
a stone
a piece of wood
a feather
all will reach the ground at the same time
electrical energy into light energy
light energy into electrical energy
light energy into heat energy
electrical energy into heat energy
loudness
pitch
quality or timbre
All the above
it stops due to malfunctioning
it starts emitting dangerous radioactive radiations
it is shut down to avoid explosion
it is ready to produce controlled energy
Mars
Venus
Earth
Mercury
a fluid to transmit the braking force
the force applied by the driver
hydrogen gas and not any liquid
a vacuum brake
Microphone converts sound energy into electrical energy.
Electric fan converts electrical energy into mechanical energy.
Battery converts chemical energy into electrical energy.
All the above
increase
decrease
remain the same
first decrease and then increase
increases
decreases
remains the same
first increases and then decreases
will increase
will decrease
does not change
varies with the increase of depth of the immersion of the iron piece
a hydrometer
a manometer
a lactometer
an anemometer
absorbs
refracts
reflects
scatters
Sun
Jupiter
Mercury
Earth
Rutherford
Bohr
Henri Bacquerel
Marie Curie
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
the chemical reaction between the gases inside the bulb
the compressed gases inside rushing out suddenly
the air outside rushing in to fill the vacuum inside the bulb
None of the above
kinetic energy
potential energy
momentum
both potential and kinetic energy
the ball will travel towards the centre of the circle and fall down
it will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down
it will fall down at the same place where the string breaks
None of these
cohesive force
surface tension
diffusion
viscosity
as soon as he hears the report of the gun
the moment he sees the flash
either (a) or (b) since that makes no difference
None of the above