Which instrument is used for photographing the Sun?
Galvanometer
Potentiometer
Spectrophoto meter
Spectrophoto meter
The reverse effect of X-ray emission is
Raman effect
Compton effect
Zeeman effect
Zeeman effect
Which instrument is used for measuring humidity of atmosphere?
Barometer
Anemometer
Thermometer
Thermometer
Flemings, Left hand Rule is associated with the effect of
Electric field on current
Magnetic field on magnet
Electric field on magnet
Electric field on magnet
Thermal electricity is generated by using which of these?
Coal only
Coal and Natural Gas only
Coal, Natural Gas and Petroleum
Coal, Natural Gas and Petroleum
For Photoelectric effect to take place, the metal used as the cathode should have .............
high melting point
low melting point
low work function
low work function
A galvanometer can be converted to a voltmeter by connecting
a high resistance in parallel
a high resistance in series
a low resistance in series
a low resistance in series
Fuse wire is a made of an alloy of
Tin and Lead
Tin and Copper
Lead and Copper
Lead and Copper