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Photons, Matter Waves and X-rays for GUJCET: 8 solved questions

Real GUJCET 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 2007 to 2026. No sign-in needed to read them.

What this topic asks

• de Broglie relation and its graphs — 6 questions
• Matter wave against photon — 2 questions

All 8 questions with solutions

• The wavelength of matter waves is independent of . GUJCET 2007
• If the linear momentum of a particle is 2.2×10⁴ kg m s⁻¹, what will be its de Broglie wavelength? (Take h = 6… GUJCET 2009
• A body of mass 100 g moves at a speed of 36 km h⁻¹. The de Broglie wavelength associated with it is of the or… GUJCET 2014
• What is the de Broglie wavelength associated with an electron moving with a speed of 6.4×10⁶ m s⁻¹? (Mass of… GUJCET 2022
• A ball of mass 0.12 kg moving with a speed of 20 ms⁻¹ has de-Broglie wavelength . (h = 6.63 × 10⁻³⁴ Js) GUJCET 2024
• What is the de-Broglie wavelength of a bullet of mass 0.033 kg travelling at the speed of 1 km/s? (h = 6.6 ×… GUJCET 2025
• The relation between the wavelength of electromagnetic radiation (λ) and the de Broglie wavelength of its qua… GUJCET 2026
• The de Broglie wavelength of a particle moving with velocity 2.25×10⁸ m s⁻¹ is the same as the wavelength of… RS Academy GUJCET booklet