A beam of electrons of energy E scatters from a target having atomic spacing of 1 A^(o). The first maximum intensity occurs at θ = 60^(o). Then E (in eV) is _ _ _. (Planck constant h = 6.64 × 10^–34 Js, 1 eV = 1.6 × 10^–19 J, electron mass m = 9.1 × 10^–31 kg)

Dual Nature of Matter and Radiation: JEE Main 2020 Physics question

JEE Main 2020 · 5 Sep, Morning shift · Q48

JEE Main 20205 Sep, Morning shiftPhysicsMediumDual Nature of Matter and Radiation146× since 2002

A beam of electrons of energy E scatters from a target having atomic spacing of 1

\mathop A\limits^o

. The first maximum intensity occurs at

\theta

= 60^o. Then E (in eV) is ______. (Planck constant h = 6.64 × 10^–34 Js, 1 eV = 1.6 × 10^–19 J, electron mass m = 9.1 × 10^–31 kg)

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2020 Dual Nature of Matter and Radiation Question with Answer (5 Sep Morning shift, Q48) | JEE Arc

JEE Main 2020 · 5 Sep, Morning shift · Q48

JEE Main 20205 Sep, Morning shiftPhysicsMediumDual Nature of Matter and Radiation146× since 2002

A beam of electrons of energy E scatters from a target having atomic spacing of 1

\mathop A\limits^o

. The first maximum intensity occurs at

\theta

= 60^o. Then E (in eV) is ______. (Planck constant h = 6.64 × 10^–34 Js, 1 eV = 1.6 × 10^–19 J, electron mass m = 9.1 × 10^–31 kg)

Your answerType your answer. Integers and decimals are accepted.