Irene Curie
W Bothe and H Becker
James Chadwick
Jean Joliot
C. James Chadwick
doppler effect
beats
resonance
echo
a fluid to transmit the braking force
the force applied by the driver
hydrogen gas and not any liquid
a vacuum brake
a planet
a meteor
a star
a comet
50 kg
45 kg
zero
150 kg
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
the telephone ear piece
the telegraph
the electric bell
All the above
first rise and then fall
fall
remain the same
rise
it is pleasing to the eye
it has a traditional colour
it is easily distinguishable
it is most sensitive to the human eye
a quantum of electromagnetic radiation
light source used in photography
a photo film
sun-light
on the outer surface
in the inner surface
at the centre of the ring
None of the above
diffusion
effusion
vaporisation
sublimation
heat
electric potential
time
distance between two points
rectilinear propagation of light
reflection
refraction
total internal reflection
Parabolic
Convex
Concave
Plain
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
Red
Blue
Yellow
Violet
enclosing it in a thick walled iron box
wrapping it with an insulator
by placing it inside a glass case
by surrounding it with fine copper gauze
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
the mass of earth
the mass of the satellite
the radius of the earth
gravitation of the earth
good conductor of heat
good conductor of electricity
bad conductor of electricity
Both (a) and (b) above
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
remains the same
increases
decreases
None of the above
Pyrometer
Eudiometer
Barometer
Hydrometer
poor reflection from the mirrors
scattering of light from the mirrors
absorption of some light by the mirrors
absorption of light by the atmosphere
capillarity
cohesion
adhesion
viscosity
will increase
will decrease
does not change
varies with the increase of depth of the immersion of the iron piece
convex mirrors
concave mirrors
convex lens
concave lens
inertia
adhesion
cohesion
friction
cohesion
adhesion
capillary action
absorption
momentum
velocity
acceleration
inertia