Question
What is the coulomb’s force between proton and electron separated by a distance of 
?
- 3.6 N
- 7.2 N
- 1.8 N
- 0.9 N
The correct answer is: 3.6 N
= 3.6 N
Related Questions to study
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Statement-1 : Two sound waves of equal intensity I produced beats. The maximum intensity of sound produced in beats is 4I
Statement-2 : If two waves of amplitudes a1 and a2 superpose, the maximum amplitude of the resultant wave = a1 + a2
Statement-1 : Two sound waves of equal intensity I produced beats. The maximum intensity of sound produced in beats is 4I
Statement-2 : If two waves of amplitudes a1 and a2 superpose, the maximum amplitude of the resultant wave = a1 + a2
Statement – 1: Two tuning forks having frequency 410 Hz and 524 Hz are kept close and made to vibrate. Beats will not be heard
Statement – 2 : Sound waves superimpose only when the frequencies of superposing waves are equal or nearly equal
Statement – 1: Two tuning forks having frequency 410 Hz and 524 Hz are kept close and made to vibrate. Beats will not be heard
Statement – 2 : Sound waves superimpose only when the frequencies of superposing waves are equal or nearly equal
Statement – 1: In case of beats, intensity of sound at some positions in space remains maximum and at others, it remains minimum
Statement – 2: Beat are formed due to superposition of sound waves of unequal frequencies
Statement – 1: In case of beats, intensity of sound at some positions in space remains maximum and at others, it remains minimum
Statement – 2: Beat are formed due to superposition of sound waves of unequal frequencies
STATEMENT – 1 : In the case of stationary wave, a person hear a loud sound at the nodes as compared to the antinodes. Because
STATEMENT – 2 : In a stationary wave all the particles of the medium vibrate in phase
STATEMENT – 1 : In the case of stationary wave, a person hear a loud sound at the nodes as compared to the antinodes. Because
STATEMENT – 2 : In a stationary wave all the particles of the medium vibrate in phase
STATEMENT – 1 : When standing waves are produced in a closed organ pipe, the pressure at the closed end is a constant. Because
STATEMENT – 2 : The closed end corresponds to a node and hence the pressure is constant
STATEMENT – 1 : When standing waves are produced in a closed organ pipe, the pressure at the closed end is a constant. Because
STATEMENT – 2 : The closed end corresponds to a node and hence the pressure is constant
