Which of these is observed when air is pumped out of a di...
Which of these is observed when air is pumped out of a discharge tube without lowering its pressure
the conductivity of the air increases
the conductivity of the air decreases
conduction does not occur
spark are produced
Correct answer is C
Conduction takes places in gases when air is pumped out of a discharged tube under reduced pressure.
Absorption line spectra exhibited by atoms is a result of ...
Which of the following are produced after a nuclear fusion process? i. one heavy nucleus. ii. ne...
Which of the following statements is/are correct? Sound waves travel through I. air II. vacuum ...
22688Ra → 222866Rn + X + Energy. The equation above represents a nuclear d...