altimeter
anemometer
dilatometer
potentiometer
A. altimeter
16 hours
12 hours
20 hours
24 hours
protects the article from atmospheric corrosion
gives it a more attractive appearance
Both (a) and (b) above
None of the above
1.9 x 10-13 kg
9.1 x 10-31 kg
1 x 10-15 kg
1.6 x 10-19 kg
Rutherford
Neils Bohr
Albert Einstein
JJ Thompson
the loudness of the sound increases
the loudness remains the same
the loudness decreases
the sound suddenly stops
astrology
astrophysics
astrometry
Both (b) and (c) above
Giant stars
White Dwarf stars
Neutron stars
Super-giant stars
they contain free electrons
their atoms are relatively far apart
their atoms collide frequently
they have reflecting surfaces
Sirius
Vega
Rigel
Proxima Centauri
the valve filaments have low resistance
valve-radio sets work at a higher voltage
transistor set has a low resistance
filaments of the valves cake time to beat up and function
turbulence caused by the wind
buoyancy of air
unequal pressures acting on it
sudden change in the direction of the wind
Radium
Radon
Uranium-238
Plutonium
the speed with which it escapes cools it down
of the higher temperature of the surroundings
of sudden expansion causing loss of internal energy
there is no real fall in temperature
10000 to 20000 Hz
50 to 15000 Hz
20 to 20000 Hz
15 to 50000 Hz
iron
chromium
copper
steel
forward
backward
sideways
None of the above
ACBD
ABCD
CABD
BACD
a parabola
a horizontal straight line
a vertical straight line
a circle
at the lower elevation than the bird
at a higher elevation than the bird
in the same direction as the bird
vertically upwards
the centripetal force
the centrifugal force
the frictional force
All the above
absorbs
refracts
reflects
scatters
power
velocity
energy widely used in nuclear physics
number of electrons
Albert Einstein
Enrico Fermi
HJ Bhabha
Sir Isaac Newton
4 x 10 8 m/s
1500 m/s
330 m/s
500 m/s
Thumba
Delhi
Mumbai
Sriharikota
Ammeter
Altimeter
Adrinometer
Anemometer
a hydrometer
a manometer
a lactometer
an anemometer
appears to increase
appears to decrease
does not change at all
first increases then decreases
Cosmic rays
Infrared rays
All radiations of light
Ultra violet rays coming from the sun
will jump rapidly up and down for a short time
will remain unaffected
Both (a) and (b) above
It will produce electric shock