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Photons, Matter Waves and X-rays for GSEB: 4 solved questions

Real GSEB paper questions on photons, matter waves and x-rays, part of dual nature of matter and radiation. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2017 to 2021. No sign-in needed to read them.

What this topic asks

• de Broglie relation and its graphs — 3 questions
• Matter wave against photon — 1 question

All 4 questions with solutions

• The de Broglie wavelength associated with a particle of rest mass m₀ moving with the speed of light in vacuum… GSEB Board July 2017
• If the momentum of an electron is required to be the same as that of a photon of wavelength 5200 A, its veloc… GSEB Board July 2018
• The de Broglie wavelength of a ball of mass 120 g moving with a speed of 20 m s⁻¹ is . GSEB Board August 2020
• The de Broglie wavelength of a bullet of mass 0.040 kg travelling at a speed of 1 km s⁻¹ is m. GSEB Board July 2021