1st Feb Evening Shit 2026 physics questions with solutions

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• IntegermediumKinematics Part-1 (one dimension)Acceleration and Avg acceleration

  A train moving at 20 m s⁻¹ comes to rest when brakes are applied 500 m before a station. If the same brakes are applied only 250 m before the station, the train crosses the station with speed √x m s⁻¹. Find x.

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• MCQmediumPhotoelectric effect and dual naturePhotoelectric Effect & Einstein's Equation

  The threshold frequency of a metal is f₀. Light of frequency 2f₀ produces photoelectrons with maximum speed v₁, while light of frequency 5f₀ produces maximum speed v₂. The ratio v₁/v₂ is:

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