Electron volt is a unit of

Important Questions on Modern Physics

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JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 9 - Modern Physics>Objective Problems [Level 1]>Q 209

Which of the following have highest specific charge?

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JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 9 - Modern Physics>Objective Problems [Level 1]>Q 210

Dual nature of radiation is shown by

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JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 9 - Modern Physics>Objective Problems [Level 1]>Q 211

The structure of solid crystals is investigated by using

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JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 9 - Modern Physics>Objective Problems [Level 1]>Q 212

A photon and an electron have equal energy $E$. $\frac{{\lambda }_{\mathrm{photon}}}{{\lambda }_{\mathrm{electron}}}$ is proportional to

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JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 9 - Modern Physics>Objective Problems [Level 1]>Q 213

The particles which can be added to the nucleus of an atom without changing its chemical properties are called

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JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 9 - Modern Physics>Objective Problems [Level 1]>Q 214

Which of the following has the mass closest in value to that of the positron?

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JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 9 - Modern Physics>Objective Problems [Level 1]>Q 215

$\mathrm{\pi }$-mesons can be

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JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 9 - Modern Physics>Objective Problems [Level 1]>Q 216

The average kinetic energy of the thermal neutrons is of the order of (Boltzmann constant $k_{\mathrm{B}}=8\times {10}^{-5} \mathrm{eV} {\mathrm{K}}^{-1}$ and room temperature is $25 °\mathrm{C}$)