Who produced electromagnetic waves for the first time ?
Who produced electromagnetic waves for the first time ?
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An electron (charge =$1.6 \times {10^{ - 19}}C$) is accelerated through a potential of $ 100,000 V$. The energy acquired by the electron is
An electron (charge =$1.6 \times {10^{ - 19}}C$) is accelerated through a potential of $ 100,000 V$. The energy acquired by the electron is
Which is not true with respect to the cathode rays
Which is not true with respect to the cathode rays
Which of the following is not the property of a cathode ray
Which of the following is not the property of a cathode ray
- [AIPMT 2002]
Three particles having their charges in the ratio of $1 : 3 : 5$ produce the same spot on the screen in Thomson’s experiment. Their masses are in the ratio of
Three particles having their charges in the ratio of $1 : 3 : 5$ produce the same spot on the screen in Thomson’s experiment. Their masses are in the ratio of
The specific charge of an electron is
The specific charge of an electron is