increase
decrease
will not change
first increase and then decrease
A. increase
Jupiter
Mercury
Venus
Sirius
sound energy is converted into electrical energy
electrical energy is converted into sound energy
sound energy is converted into mechanical energy
mechanical energy is converted into sound energy
increases
decreases
remains the same
first increases then decreases
a horizontal position
a nearly vertical position with its South Pole downwards
a nearly vertical position with its North Pole downwards
a slanting position
4 x 10 8 m/s
1500 m/s
330 m/s
500 m/s
18 km/s
11.2 km /s
21 km/s
35 km/s
a microphone
a headphone
a phonograph
an amplifier
the mass number
atomic number
atomic weight
absolute number
a microscope
a telescope
a stereoscope
a spectroscope
diffusion
effusion
vaporisation
sublimation
a reflecting elliptical portion
a reflecting spherical surface
a parabolic reflecting surface
a flat reflecting surface
an electrophorus
an electroscope
an electromagnet
an ammeter
HJ Bhabha
SS Bhatnagar
V Sarabhai
CV Raman
a neutron star
a binary star
a dwarf star
a polar star
Rutherford
Neils Bohr
Albert Einstein
JJ Thompson
loudness
pitch
quality or timbre
All the above
lost all its potential energy and gained an equivalent amount of kinetic energy
gained potential energy and lost kinetic energy
gained kinetic energy as well as potential energy
lost kinetic energy as well as potential energy
Bhaskara
Insat I-A
Aryabhatta
SLV-l
power
velocity
energy widely used in nuclear physics
number of electrons
radio waves and X-rays
ultraviolet light waves
visible light waves
All the above
air
water
iron
vacuum
there is no change in volume
there is no change in temperature
heat is given out
there is no change of state
used by warships and military aircraft to locate enemy submarines
used by ships to determine the depth of water beneath them
a detective device that uses sound to locate under - water objects
All the above
Marconi
Baird
John Bardeen, Walter H. Brattain and William Shockley
Edison
rubber
plastic
aluminium
wood
one
two
three
infinite
has no effect on the boiling point of a liquid
raises the boiling point of a liquid
lowers the boiling point of a liquid
increases the volume of a liquid
increase
decrease
will not change
first increase and then decrease
will increase
will decrease
will have no change
will either increase or decrease
mechanical energy is converted to light energy
mechanical energy is converted to heat energy
mechanical energy is converted to electrical energy
electrical energy is converted to mechanical energy