Aluminium Cadmium Magnesium Copper
The value of Rydberg constant is
1.0974 x107m-11.0974 x10-7m-11.0974 x106m-11.0974 x10-6m-1
The Compton effect is associated with
X-rays y-rays Positive rays ß-rays
Which one has greater cone of impurity among all
Emitter Base Collector All are pure
Natural rubber is an example of:
Crystalline solidsAmorphous solidsPolymeric solids Liquid solid
The resonance frequency is given by:
fr = 2π√LC fr = 1/2πLC f1 = 1/ 2πC√L fr = 1/ 2π√LC
A.C is converted into D.C by
Dynamo Rectifier Motor Transformer
1 tesla =
1 MAm-1 1NA-1m 1NA-1m-1 None of above
Drift velocity of electrons is
10-1 m/s 10-2 m/s m-3 m/s 10-4 m/s
The “toner” of photocopier is given:
Positive charge Negative charge Remains neutral All of above