An electron with (rest mass $m_{0}$ ) moves with a speed of $0.8 c$. Its mass when it moves with this speed is
An electron with (rest mass $m_{0}$ ) moves with a speed of $0.8 c$. Its mass when it moves with this speed is
- [AIPMT 1991]
- A
$m_0$
- B
$m_0/6$
- C
$5m_0/3$
- D
$3m_0/5$
Similar Questions
Energy of photon whose frequency is ${10^{12}}MHz,$ will be
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An important spectral emission line has a wavelength of $21 cm$. The corresponding photon energy is
$(h = 6.62 \times {10^{ - 34}}Js;\;\;c = 3 \times {10^8}m/s)$
An important spectral emission line has a wavelength of $21 cm$. The corresponding photon energy is
$(h = 6.62 \times {10^{ - 34}}Js;\;\;c = 3 \times {10^8}m/s)$
Given below are two statements
Statement$-I :$ Two photons having equal linear momenta have equal wavelengths.
Statement$-II :$ If the wavelength of photon is decreased, then the momentum and energy of a photon will also decrease.
In the light of the above statements, choose the correct answer from the options given below.
Given below are two statements
Statement$-I :$ Two photons having equal linear momenta have equal wavelengths.
Statement$-II :$ If the wavelength of photon is decreased, then the momentum and energy of a photon will also decrease.
In the light of the above statements, choose the correct answer from the options given below.
- [JEE MAIN 2021]
What is the momentum of a photon having frequency $1.5 \times {10^{13}}Hz$
What is the momentum of a photon having frequency $1.5 \times {10^{13}}Hz$