×

SPSC Physics 25 years Past Papers

    Q141: If the mass of a particle is zero its speed must be ______?

    Q142: A Carnot engine whose sink is at 300K has an efficiency of 40%. By how much should the temperature source be increased so as to increase its efficiency by 50% of original efficiency?

    Q143: The ratio of the weight of a man in a stationary lift and in a lift accelerating downward with uniform acceleration ‘a’ is 3:2. The acceleration of the lift is _____?

    Q144: When object is thrown upward it rises to height "h" how high is the object in terms of h, when it has lost one third of its original Kinetic Energy?

    Q145: Energy released in the process of fusion is _______?

    فیوژن کے عمل میں جاری توانائی _______ ہے؟

    Q146: The transition absorbing of photons of highest frequency in a hydrogen atom is _______?

    ہائیڈروجن ایٹم میں اعلی ترین تعدد کے فوٹون کی منتقلی جذب _______ ہے؟

    Q147: The substance which shows practically no elastic after effect is _______?

    وہ مادہ جو عملی طور پر کسی لچکدار کو ظاہر کرتا ہے وہ _____ ہے؟

    Q148: Turbulent flow occurs when the Reynolds number is above ______?

    ہنگامہ خیز بہاؤ اس وقت ہوتا ہے جب رینالڈس نمبر ______ سے اوپر ہو؟

    Q149: The ratio of the inertial mass to gravitational mass is equal to ______?

    کشش ثقل کے بڑے پیمانے پر اندرونی بڑے پیمانے پر تناسب ______ کے برابر ہے؟

    Q150: What is the internal energy of a system?

    کسی نظام کی داخلی توانائی کیا ہے؟