AA. voltmeter
B. galvanometer
C. cathode ray oscilloscope (CRO)
D. ammeter
A. same current
B. same current and potential difference
C. different current but same potential difference
D. different current and potential differences
A. one second
B. one day
C. one minute
D. one hour
A. momentum increases 4 times and K.E increases 2 times
B. momentum and K.E. remain same
C. momentum increases 2 times and K.E increases constant
D. momentum increases 2 times and K.E increases 4 time
A. It does emit radiation
B. Its size as compare to proton and neutron is very small
C. No antiparticle of electron is present
D. The velocity of electron must be very high according to uncertainty principle
A. Iron rods
B. Graphite rods
C. Cadmium rods
D. Platinum rods
A. 107m/sec
B. Should be greater than the speed of light.
C. Be zero
D. Not be wave-like