Cathode rays are produced when the pressure is of the order of
Cathode rays are produced when the pressure is of the order of
- A
$2 cm$ of $Hg$
- B
$0.1 cm$ of $Hg$
- C
$0.01 mm$ of $Hg$
- D
$1$ $\mu m$ of $Hg$
Similar Questions
While doing his experiment, Millikan one day observed the following charges on a single drop
$(i)$ $6.563 \times {10^{ - 19}}C$ $ (ii)$ $8.204 \times {10^{ - 19}}C$
$(iii)$ $11.50 \times {10^{ - 19}}C$ $ (iv)$ $13.13 \times {10^{ - 19}}C$
$(v)$ $16.48 \times {10^{ - 19}}C$ $ (vi)$ $18.09 \times {10^{ - 19}}C$
From this data the value of the elementary charge $(e)$ was found to be
While doing his experiment, Millikan one day observed the following charges on a single drop
$(i)$ $6.563 \times {10^{ - 19}}C$ $ (ii)$ $8.204 \times {10^{ - 19}}C$
$(iii)$ $11.50 \times {10^{ - 19}}C$ $ (iv)$ $13.13 \times {10^{ - 19}}C$
$(v)$ $16.48 \times {10^{ - 19}}C$ $ (vi)$ $18.09 \times {10^{ - 19}}C$
From this data the value of the elementary charge $(e)$ was found to be
In Thomson's experiment if the value of $q/m$ is the same for all positive ions striking the photographic plate, then the trace would be
In Thomson's experiment if the value of $q/m$ is the same for all positive ions striking the photographic plate, then the trace would be
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]
What is specific charge ? Write its standard value.
What is specific charge ? Write its standard value.
The mass of the electron varies with
The mass of the electron varies with