forward
backward
sideways
None of the above
A. forward
electric current - ampere
resistance - Ohm
electric power - volt
electric charge Coulomb
increasing the length of the coiled wire
increasing current supply
increasing the size of the iron core
All the above
copper
aluminium
silver
nichrome
in burglar alarms
in automotive devices for light switches
television cameras
All the above
Sirius
Vega
Rigel
Proxima Centauri
its momentum is halved
its kinetic energy is halved
its acceleration is halved
its potential energy is halved
increases the melting point of ice
decreases the melting point of ice
has no effect on the melting point of ice
increases the volume of the ice
the immersed volume of the body
density of the liquid
acceleration due to the gravity at the place
All the above
Galileo
Bhaskara
Aryabhatta
Ptolemy
Galileo
Bhaskara
Aryabhatta
Ptolemy
the Sun
the Moon
the Venus
the Mars
U-234
U-235
U-238
Both (b) and (c)
white paint is economical
it does not fade off
it does not crack with higher temperature
white coating is a bad conductor of heat and reflects heat rays that fall on it, thus keeping the inside cool
their heat contents
their masses
their temperatures
whether they are in solid, liquid or gaseous state
the electrical attraction between the negatively charged electron and the positively charged porton
the high speed of the electron
the low speed of the electron
gravity
cohesion
adhesion
capillary action
absorption
travelling in opposite direction
of slightly different frequencies
of equal wavelength
of equal amplitude
1.9 x 10-13 kg
9.1 x 10-31 kg
1 x 10-15 kg
1.6 x 10-19 kg
powerful X-rays falling on the earth from space
ultraviolet rays from the sun
gamma rays from radioactive minerals
very energetic radiation falling upon the earth from outer space consisting chiefly of charged particles
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
Sirius
Vega
Rigel
Proxima Centauri
the gun moves forward
the gun jumps up
the gun does not move
the gun recoils with the same momentum as the bullet
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
10-10 cm
10-12 cm
10-13 cm
10-16 cm
linear motion
vibratory motion
rotational motion
None of the above
is found by measuring the slanting height of the mercury column
is given by the vertical height
cannot be measured with it
u) can be measured by both the methods described above
a fluid to transmit the braking force
the force applied by the driver
hydrogen gas and not any liquid
a vacuum brake
the sun comes in between the earth and moon
the moon is stationary
the time taken by the moon to rotate on its axis is the same as the time taken by it to revolve round the earth
moon revolves round the sun
converts direct current into alternating current
converts alternating current into direct current
steps up or steps down a given alternating current voltage
supplies current with zero resistance
power
kinetic energy
momentum
impulse